Join me in the cold, dark, life-sustaining NE Pacific Ocean to discover the great beauty, mystery and fragility hidden there.

Posts from the ‘Environmental Education’ category

Argonaut the Humpback in the morning light (BCY0729). ©2016 Jackie Hildering.

Come Away With Me . . .

For you: photos and a two-minute slide show from my recent days aboard Maple Leaf Adventures‘ MV Swell in my own backyard – the Broughton Archipelago on NE Vancouver Island.

The work while aboard? Striving to be a conduit of understanding for the life around us: Freckles the Humpback who was acrobatic for over an hour; the Black Bear cub in a rain-soaked, moss-covered Cedar with lichen draped over his/her ear; the Pacific White-Sided Dolphins leaping over a Humpback and then surfing in a ship’s wake; the giant Steller Sea Lions growling at a frequency the resounds far and deep; the Bald Eagles tearing apart the salmon that feeds this coast; and . . . so much more.

With the recent diesel spill further to the north on BC’s Central Coast, it all felt even more fragile. I feel even greater urgency and importance to try to capture the excruciating beauty and balance here so that it might enter more human lives and increase true awareness and true action.

Know and celebrate your connection no matter how many kilometres you are from the life in these images.

See the common life-enhancing solutions: reducing demand for fossil fuels; reducing use of dangerous chemicals; increasing values based on the longterm health of the environment our lives depend on . . . that’s where happiness, health and empowerment lie.

Don’t be despondent because tipping into the pit of despair will truly bring darkness.

Do it . . . . come away with me.

MV Swell built in 1912 with major overhauls by Maple Leaf Adventures to be both very comfortable and have a reduced carbon footprint / be energy efficient.

MV Swell built in 1912 with major overhauls by Maple Leaf Adventures to be both very comfortable and have a reduced carbon footprint / be energy efficient.

Pacific White-Sided Dolphin in the rain. ©2016 Jackie Hildering.

Pacific White-Sided Dolphin in the rain. ©2016 Jackie Hildering.

Freckles the Humpback Whale (BCY0727) breaching. ©2016 Jackie Hildering.

Freckles the Humpback Whale (BCY0727) breaching. She was acrobatic for over an hour.
©2016 Jackie Hildering.

Freckles the Humpback (BCY0727) tail-lobbing. ©2016 Jackie Hildering.

Freckles the Humpback (BCY0727) tail-lobbing. ©2016 Jackie Hildering.

Freckles the Humpback Whale (BCY0727) breaching. ©2016 Jackie Hildering.

Freckles the Humpback Whale (BCY0727) breaching.
©2016 Jackie Hildering.

Lacey Falls, Broughton Archipelago. ©2016 Jackie Hildering.

Lacey Falls, Broughton Archipelago. ©2016 Jackie Hildering.

Juvenile Bald Eagle water dripping off beak. Imagine the sounds and smells I cannot relay in this image - the rain falling on the Ocean; the calls of eagles, ravens, various ducks and gulls; and the air thick with the smell of Chum Salmon that fought their way back to the river where they were born to ensure their offspring have the best chance of a healthy environment by fertilizing it with their own bodies. ©2016 Jackie Hildering.

Juvenile Bald Eagle water dripping off beak. Imagine the sounds and smells I cannot relay in these images – the rain falling on the Ocean; the calls of eagles, ravens, various ducks and gulls; and the air thick with the smell of Chum Salmon that fought their way back to the river where they were born to ensure their offspring have the best chance of a healthy environment by fertilizing it with their own bodies.
©2016 Jackie Hildering.

Wet juvenile Bald Eagle takes flight. ©2016 Jackie Hildering.

Wet juvenile Bald Eagle takes flight. ©2016 Jackie Hildering.

Black Bear cub with lichen draped over his/her right ear

Black Bear cub with lichen draped over his/her right ear – peering down from a moss-covered Cedar, salmon musk thick in the air; moisture dripping off his/her fur and everything else including us . . so clearly this was the rainforest, fed by salmon.
©2016 Jackie Hildering.

Close-up. Little Black Bear Cub peering down from moss-covered Cedar. ©2016 Jackie Hildering.

Close-up. Little Black Bear Cub peering down from moss-covered Cedar. ©2016 Jackie Hildering.

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See his/her tongue sticking out and the lichen over his/her right ear? ©2016 Jackie Hildering.

Merganser running to before flight. ©2016 Jackie Hildering.

Merganser running to before flight. ©2016 Jackie Hildering.

Humpback Whale being mobbed by Pacific White-Sided Dolphins. S/he was repeatedly trumpeting, presumably in exasperation. ©2016 Jackie Hildering.

Humpback Whale being mobbed by Pacific White-Sided Dolphins. S/he was repeatedly trumpeting, presumably in exasperation. ©2016 Jackie Hildering.

Morning light. ©2016 Jackie Hildering.

Morning light. ©2016 Jackie Hildering.

Argonaut the Humpback in the morning light (BCY0729). ©2016 Jackie Hildering.

Argonaut the Humpback in the morning light (BCY0729). ©2016 Jackie Hildering.

Happiness . . and purpose. I'm on the right on MV Swell. Photo by Captain Alex Ruurs.

Happiness . . and purpose. I’m on the right on MV Swell. Photo by Captain Alex Ruurs.

Two-minute slide show with more images.

 

 

And -the faces and voices of the people most directly impacted by the fuel spill on BC’s Central Coast. The impacts of this, of “only” a tug sinking, it makes so very clear that there has to be a ban on tanker traffic and that we all have to reduce the demand for fossil fuels for so many reasons including that it literally fuels the demand for tankers on our coast.

The Reason You Can’t See to the Bottom . . . .

The 1.5 minute video below is my attempt to bring the astounding biodiversity of the cold, rich waters of the NE Pacific Ocean to the surface.

If there is one thing I hope to achieve with my photography, it is to shatter the perception that — because you can’t see to the bottom — there must not be much life in these waters.

The opposite it true.

The reason you can’t see to the bottom is because there is SO much life.

Please feel free to share the video liberally. Hopefully it will enhance people feeling a connection to the ocean, wanting to undertake further conservation, and understanding what is at stake with high risk projects that worship short term-economic gain at the cost of long-term environmental devastation — like the Enbridge Northern Gateway Pipeline Project which would bring super tanker traffic to British Columbia’s precious coast.

 

 

I have contributed the video to the David Suzuki Foundation’s “Pacific Ocean Stories” campaign which is directed at the very objectives I mention above. Contribute your Ocean Story here. It need not be anything involving great effort, just a photo, drawing, poem or statement capturing your connection to the Pacific Ocean.

Infinite thanks to Hunter Molnar Stanton for her expertise in refining this video.

“Who Knew a Decomposing Whale Could Be So Beautiful?”

Indeed, a decomposing whale is THIS beautiful and THIS important to the environment.

The clip above, “Whale Fall (after life of a whale)” from Sharon Shattuckwill be of particular interest to environmental educators and those of you, who like me, have “handled” dead whales for the purposes of science and education. 

Thank you so much Lisa Spaven for bringing this to my attention and a special “shout out” to those who have worked at Telegraph Cove’s Whale Interpretive Centre dedicating themselves to preserving marine mammal skeletons. 

Information about the clip from Andrew Liszewski’s “Who Knew a Decomposing Whale Could Be So Beautiful”: “Whales can live for 50 to 75 years. But did you know that after they die, their decomposing bodies can support a whole community of organisms and other sea life for an additional 50 to 75 years?

Whale Fall is a short documentary on what happens to the largest mammal on the planet after it dies and sinks to Davy Jones’ locker. Created by Sweet Fern Productions for Radiolab, it’s not only fascinating on an educational level, but it’s also a feast for the eyes through the use of animation, paper cutouts and puppetry. I loved science growing up, but had the educational videos in biology class looked like this, I may have actually paid attention.”

Article on the importance of whale carcasses (includes link to science papers) – “Decades of Dinner – Underwater community begins with the remains of a whale; Science News Online; 2005. 

Oceans Day 2011 – The Wisdom of James Cameron

Mature male fish eating( (“resident”) killer whale – “Skeena” (A13; born 1978; missing 2010). Photo – Hildering.

June 8th is World Oceans Day (originating from the 1992 Rio de Janeiro Earth Summit and recognized by the United Nations since 2008). 

In reflecting on what I can best share with you to honour Oceans Day and make clear the human dependence and impact on the oceans, I have decided that no one has made these points more solidly and eloquently than fellow Canadian, James Cameron. He is a lifelong activist for marine conservation who, among many other achievements,  is the award-winning director of “Titanic” and  “Avatar”. 

Below, please read, and heed, the text from his 1998 acceptance speech for the SeaKeeper Award.  Thirteen years on, the message is more important and urgent –  than ever.  

View towards Alert Bay, Northern Vancouver Island. Photo – Hildering

“Every living soul on earth, no matter how far inland they live or how much they may hate eating fish, is utterly dependent on the divine saltwater soup of the ocean. The ocean is the engine that drives our weather and moderates our climate. The phytoplankton in the seas create the majority of the oxygen we breathe. These microscopic plants also form the bottom of a vast food chain from which we harvest a large portion of our food.

As our population increases, and arable land remains finite, we will look to the oceans more and more for our survival. Thus, our destiny as a species is interlocked with the destiny of the sea. If the seas become sick, we become sick. If they die, we die. Subconsciously we think the sea will always be there for us. 

Sunset Port McNeill. Photo – Hildering.

Right now, all over the world, coral reefs are threatened, and 40-mile-long drift nets cut huge, sterile swaths through the open ocean. Biologists estimate that over one hundred million undiscovered species remain to be identified in the oceans. We will kill half of these before, we have even had a chance to give them names.

Life began in the sea over three billion years ago. Our first upright walking ancestors appeared a mere four million years ago, and human civilization is less than ten thousand years old. If the natural history of life on earth could be viewed as a single Great Year, all of human recorded history inhabits the last couple of seconds of the last minute before midnight at the end of that year. And yet, in those last seconds, that eyeblink, we have multiplied exponentially, and our impact on the natural world has increased logarithmically.

It took the entire history of humankind to produce a global population of a billion people by the year 1800. By 1930, in just over a century, it had doubled to two billion. In another fifty years, it had doubled again to four. Now, at close to 6 billion, we are likely to double again in less than thirty years. picture it, 12 billion human souls, human mouths, crying out for food, struggling to survive, competing for resources, choking in a poisoned and depleted world, and all within the lifetime of our children.

Sunset off the coast of Northern Vancouver Island. Photo – Hildering.

We are alive now, and doing those works for which we will be remembered, at the most critical instant in the history of the Earth. Millions of years of natural evolution are focusing down to a few decades during which the game will be won or lost. And like it or not, we are the players in that game.

This is both a great honor, and a terrifying responsibility- As leaders, as decision-makers, as influencer’s of public opinion, we must do our best to preserve and restore the oceans. Humankind has, unwittingly, assumed the role of executioner of our own planet’s life force. But we can also be saviors, if we choose, and if we are willing to make the sacrifices necessary . . .

Sunrise Port McNeill – looking toward Haddington Island and Sointula. Photo – Hildering.

There is no one here who would not do the very best for their children – the best schools, the best food, the best doctors. Think of the ocean as the ultimate trust fund for your children, a living and life-giving fund.  A healthy ocean is the best gift you can give them . . . l ask everyone. . . to assume a leadership role in guarding and restoring the oceans in all ways, and as a life philosophy.”

Christmas Wish for the World


As another year draws to a close, many of us reflect on stories ended and lessons learned in 2010 and focus on positive, meaningful change for 2011.

In this spirit, I share the following with you. It was written by one of the remarkable members of my Young Naturalist Club; Adrian Walker-Burroughs when he was in grade 7.


CHRISTMAS WISH FOR THE WORLD

My Christmas wish is too big to fit in Santa’s sleigh – too big to fit in one hundred of Santa’s sleighs.
My wish is for a clean world of happy people, today and tomorrow.
The future is open for people to make good environmental choices.
Green cars, boats and planes have been invented, so let’s use them.
Let’s try to use vehicles that don’t impact so much on the atmosphere.
All of us can take little steps to make a big difference.
Turning off electric lights and household appliances when you’re not using them is a good way to start.
Global warming is a serious issue and the entire planet is affected.
This Christmas let’s all give a gift to our planet.
Each of us can do something to help.
Every little bit counts.
Merry environmental Christmas.


Merry Christmas to you Dear Readers.
Wishing you Oceans of Joy for 2011.

"Frosty the Humpback" by dear friend Stacey Hrushowy. Thanks to all who brought success to the Humpback Comeback Project. On January 25th we will hear if we have indeed won the $25K funding for entanglement research.






Depths of Depression – Dead Zones

Dear Readers,

I need to warn you, the “awareness” I am presenting here is infinitely depressing. The images at the link will sicken you.  But please, try to work through this. What you read and see will further motivate you to want to reduce humanity’s impacts on the environment – it will influence your voter choices; it will impact your consumer choices; it will fuel your drive to create positive change.

There is currently an area of ocean in Hood Canal, Washington with very little oxygen (“hypoxic” = very low levels of oxygen; “anoxic” = no oxygen).  Too little oxygen means that marine life cannot breathe.

These ocean “dead zones” appear to becoming more common in the Pacific Northwest.  As I type there are fish and other marine life that have suffocated in Hood Canal.

The lack of oxygen in the ocean water is the result of increased winds and/or too much nitrogen.

The specific event now in Hood Canal is most likely caused by the accumulation of nutrients like nitrogen (from agricultural run-off and human sewage) “fertilizing” phytoplankton (plant-like plankton / algae).  The phytoplankton thrive, increase in number, causing a “bloom” and using up the oxygen. This is called eutrophication. In this case, wind could alleviate the situation as it would cause mixing and oxygenation of the water.

However, increased winds due to climate change can also cause “dead zones”. If the winds bring oxygen-poor and nutrient rich water from the ocean’s depths to the surface, this fertilizes phytoplankton at the surface, creating a bloom. The phytoplankton use up what little oxygen there is and when they die and decay at the ocean bottom, more oxygen is used up. The dynamic is very well illustrated in the Oregon State University image above.

The current situation in Hood Canal has been painfully captured in images by diver Janna Nichols at Sund Rock (Southern Hood Canal) on September 27th.

She watches an octopus die; finds 4 wolf eels and multiple decorator warbonnets out in the open, panting (these are cryptic species that are usually not out in the open and do not “breathe” like this) and she films dense schools of fish attempting to conserve energy to lower their oxygen demands. [I think these images may be all the more painful for fellow divers as you will fully know how aberrant these behaviours are.]

But before you follow the links, let’s talk about solutions. No one should ever talk about environmental problems without discussing solutions.

Why is there more wind?  Climate change.

Why is there too much nitrogen? Human disconnect from the environment and absence of precaution leading to our using the ocean like a toilet.

How to solve the problem?  Do all those little and big things we know will provide solutions for all environmental problems.  Use less. Find out if things are dangerous first. Realize how connected you are to these marine animals. Teach (please share this blog item). And above all – believe you can make a difference!

More specific actions are provided here.


Be hopeful. Help empower change.


Fish Forever – The Wisdom of a Nine-Year-Old

Nature gave us sockeye salmon this year. A red-scaled, bounding life source, some 34 million fish strong.

This has led to human voices shouting out in all from gratitude to greed; from delight to denial.

Predictably, sadly, there have been far too many who have been at the “greedy denial” end of the spectrum. I will not tire you with that here though.

I want to fish out two voices of sanity from the ocean of opinions. One voice is that of reporter Stephen Hume from the Vancouver Sun. The other is nine-year-old Avery Walker who I am privileged to have as a member of my Northern Vancouver Island Young Naturalists’ Club.

Stephen Hume, award-winning author,  in The Vancouver Sun: “Columnists who apparently wouldn’t know the difference between a sockeye and a sculpin cluck and scold in a Toronto newspaper. One enthusiastically advances the argument that we should whack 30 million of the 34 million returning salmon . . . . . Instead of permitting a lust for instant gratification to derail a natural process for rebuilding small stocks, now is the time for restraint, for harvest restraint is a critical investment in future abundance. So enjoy your sockeye. Be grateful for this gift from nature. But don’t let the gong show of greed sway us from good stewardship.”

Avery Walker - Salmon Superstar. Photo by Larry Walker and Anna Marchand.

Avery Walker, 9-year-old Young Naturalist, with his prize-winning submission to the Wild Salmon Circle’s “Spawning Ideas” contest: “I fish only with barbless hooks, I’ve taken all the treble hooks from the all the buzzbombs I have and replaced them with single barbless hooks. I don’t jig the fish, I fish the ones who bite. Sometimes this is really hard to do, because not all of my friends fish like this, and so they sometimes take home more fish than I do. I abide by the regulations about which salmon I can keep and which ones I can’t. I never go over my limit. Or keep undersized fish. Most of the time, I catch and release. I love to fish, and I want to be able to do it forever.”

Thank you Avery. Thank you Stephen. Thank you all who make choices that may allow us to have  . . . fish forever.

For insights into the need for precaution in managing the harvesting and threats to the Fraser River sockeye, please click here for information from “Save Our Salmon”.

Sperm Whales – Magnificent and Misunderstood

On July 16th, 2010 I saw Sperm Whales for the first time off the coast of British Columbia and my world rocked.

This whale species is unlike any other and is extreme in so many ways.

Sperm Whales:

  • Make very long and very deep dives
  • Have the biggest brains
  • Are the largest toothed animals
  • Make the loudest sounds
  • Have a very strange common name reflecting great misunderstanding
  • Were hunted intensely
  • And are so very, very unique looking.

I saw the Sperm Whales while having the joy of being a Marine Mammal Observer on DFO’s Cetacean Research Program’s offshore survey. I first saw them in the area where I have put the blue star on the map below. You’ll note from this image that this area off the continental shelf is where many sperm whales were “taken” by whalers. It is in deep waters like this that sperm whales find their prey of deep ocean fishes and squid (from medium-sized squid species to the giant squid).


Our first clue that we might be sighting Sperm Whales was the very unique blows that veer sharply off to the left. Through binoculars we could confirm the species ID by seeing the animals’ colossal heads and wrinkly skin and, when they descended for a long and deep dive, it was indisputable that we were seeing sperm whales. The distinctly shaped tails came high out of the water, straight up and down and the animals descended as if slowly going down in an elevator. I found myself screaming in amazement when I first saw this. (Note that the images below showing the Sperm Whale’s dive and blow are not from the research trip in B.C.)

Down he went. Down, down, down. The dive could take up to 90+ minutes and could be to a depth of 3 km. That’s 300 atmospheres of pressure!  (One weblink I provide below provides video of a Sperm Whale at this depth.)

Apparently an average Sperm Whale’s dive profile is to slowly descend for 10 minutes, hunt at depth (more often at 300 to 800 m) for approximately 25 minutes, then slowly ascend for 10 minutes. The whales then stay at the surface for some 8 minutes, taking up to 90 breaths (range of 20 to 70) to offload carbon dioxide and reload oxygen into their blood and muscles.

This long period at the surface is when they were an easy target for the whalers. Yes, Moby Dick was a Sperm Whale but the ferociousness portrayed by Herman Melville in this classic novel is pure fiction.  Were Sperm Whales to attack and swallow people whole, they may not have been so terribly exploited. We humans wanted their blubber, their spermaceti and their ambergris. Ambergris is found in the intestines (see previous blog item) and “spermaceti” is a semi-liquid wax found in the Sperm Whales’ huge heads. Early whalers thought it was a reproductive material which is why the species has its strange common name. Science now believes that this material has a role in buoyancy by being cooled and contracting to become more dense when the whale is diving and then becoming heated and expanding to allow the whale to ascend from such great depths. It may also have a role in sound production.

In the dark world to which the Sperm Whales descended, they find their prey through echolocation. These clicks act like an “acoustic flashlight”. They go out from the whale’s huge head and, when they bounce off an object and “echo” back, this allows the sperm whale to form an image of its surroundings and prey. (I also provide a weblink below that provides amazing, but very worrying, video of a Sperm Whale using echolocation to take fish off a longline = “depredation”).

As well as these slow and regular echolocation clicks, Sperm Whales also make really loud clicks called “codas”. Codas are believed to allow the Sperm Whales to communicate with one another, maybe in a way like we humans use Morse code.

I don’t know that anyone can be quite the same after an enormously privileged experience like seeing a Sperm whale. I was left stunned with a cocktail of emotion surging through me that included wonder, joy, passion and resolve. More passion for conservation and more resolve to share these experiences to make them count.

Male adult sperm whale going of a deep dive. Image by Peter Jucker; taken in the St. Lawrence.www.juckiwildlifephotography.com

Typical sperm whale blow = low, bushy, explosive and at a sharp left angle.Image by Peter Jucker; taken in the St. Lawrence.www.juckiwildlifephotography.com

Sperm whale tooth. Image by Louisa Bates of Telegraph Coves Whale Interpretive Centre.www.killerwhalecentre.org

Many thanks to Peter Jucker and Uko Gorter for their great generosity in sharing images for the purpose of education and conservation.

Links to Sperm Whale sound and video:

Sources:

Great resource for further information on Sperm Whales off British Columbia’s coast: John Ford’s 2014; Marine Mammals of British Columbia: Royal BC Museum Handbook; available via the Royal BC Museum and Amazon.ca .

AOKI, KAGARI; MASAO AMANO; KYOICHI MORI; AYA KOUROGI; TSUNEMI KUBODERA and NOBUYUKI MIYAZAKI (2012) Active hunting dep-diving sperm whales: 3D profiles and maneuvers during bursts of speed. Marine Ecology Progress Series 444:289-301.

Watwood SL, Miller P, Johnson M, Madsen PT, Tyack PL (2006) Deep-diving foraging behaviour of sperm whales (Physeter macrocephalus). Journal of Animal Ecology 75: 814-825.

Whitehead, H. (2003). “Vertical Movements: The Sperm Whale’s Dive”. Sperm Whales Social Evolution in the Ocean. University of Chicago Press. p. 79.

Seeing Whales – Seeing Red

I saw A12 swim by today. A12, also known as Scimitar, is an old female killer whale of the “Northern Resident” population of fish-eating, inshore killer whales. She is about 69-years-old (known as the result of the photo-identification work of Dr. John Ford, Graeme Ellis and the late Dr. Michael Bigg).

A12 is the grand dame of the first family of killer whales I ever saw; an experience that had an impact on me that I will never fully be able to explain. It led me to make a radical career change, moving back to Canada to work as a marine educator on the very waters where I first saw A12.

Seeing her today was as powerful an experience for me as it was the first time I saw her but  . . . there was sadness too and, there was anger.

Last year her son A33 “Nimpkish” went missing. He was around 38-years-old. Mother fish-eating killer whales never leave their sons so we knew there was very little chance of ever seeing him again. Indeed, no one ever has.

With A33 gone, A12 would still sometimes travel with her daughter A34 and A34’s calves and grand-calves but she was also often on her own. Then, as of July 22nd, she was frequently seen with “the three brothers” (the A36s); three mature male killer whales whose mother went missing in 1997. As the only surviving offspring, these males were always together. A12 is closely related to them and it was remarkable to see how the mother with no son, interacted with the sons with no mother.

Today, there were only two of the three brothers near A12. The eldest, A32 (aka “Craycroft”) who was around age 46, is now missing.

Another male killer whale gone.

And this is what laced my experience today with anger. But why?  Whales, like everything else, die.

I assure you I am not being overly sentimental. It will never be conclusive what made these whales die but, but, BUT we humans definitely had an influence. Their health, in fact, is an accurate mirror of how our actions impact the environment.

The whales, with their position high in the marine food chain, are full of chemicals like fire retardants and pesticides (the work of Dr. Peter Ross). Despite the many lessons learned with the likes of chemicals like PCBs and DDT, which were banned in 1977, we still do not appropriately test new chemicals and we use chemicals with reckless abandon. The toxic reality is that the ocean is a soup of chemicals – including the old and new (e.g. PBDEs) “persistent organic pollutants” that do not break down; “travel” to the colder areas of the world; build up in the food chain (bioaccumulate and biomagnify), and reduce animals’ ability to fight disease and reproduce.

A32 was above average age for a male killer whale but “average age” has been determined from the data available only after our use of these chemicals. It is not believed to be natural that male killer whales (and the males of many other marine mammal species) die at a much younger age than the females. Their earlier demise has to, at least in part, be due to their toxin loads being much higher than the loads in the females. The females’ toxin levels are lower because females download these fat-soluble toxins in the fatty mother’s milk, to their calves (of course with negative impacts to the calves).

These chemicals had to have an impact on the missing mature males and, the situation literally becomes all the more toxic, when coupled with lack of food. When the whales do not have enough food and use up their fat reserves, the toxins become more concentrated. And 2008 was an appalling year for Chinook salmon, the salmon species essential to the survival of killer whales of the “resident” populations. The work of Dr. John Ford has shown that there is a direct correlation between the survival of these killer whales and the availability of Chinook salmon and, of course, we humans impact the survival of salmon  . . . by habitat loss, over-harvesting, climate change, current open net-cage salmon farming practices, etc.

So today, as I witnessed A32 no longer being with his brothers, I felt the wave of rage come up inside me. Missing whales causes reflection on the state of the environment due to human over-consumption, lack of precaution and disconnect from Nature.

But the wave passed shortly after the whales did. For there is still every reason for hope. As long as people care enough to change, there is hope. The potential for change is endless and there is ample evidence of humanity, increasingly, moving in a direction that considers the link between our daily actions and whales like A12, A33 and A32.

Indeed, there is ample reason for hope as long as there are people like you who read to the end of a lengthy blog entry like this.

Take one further step and click on this link to find out how easy it is to help the whales, and ourselves.

Thank you.

Challenge – Find the Crab!

 

 

Typical shape of members of the kelp crab family. Species in this family are usually from 5 to 9 cm across the carapace.

This week I bring you the “Where’s Waldo?” of the marine invertebrates. There is a decorator crab in each of the images at the link below. But first, here are some clues for you.

Most of the species of crabs that decorate themselves to be masters of camouflage are in the spider crab family (Majidae family – also known as “kelp crabs”).  The image to the right shows you an undecorated kelp crab with the typical long legs and distinctly shaped shell (“carapace”) of this family.

Some crabs only partially camouflage themselves, especially when they are juveniles. Others “plant” so many marine neighbours onto themselves that you can’t tell them apart from their environment until they move.

Although they look like walking gardens, the organisms they attach to the stiff, curved hairs on their legs and backs are algae and animals, not plants. The animals can be soft corals, sponges or unique creatures like “bryozoans” and “hydroids”.

Not only does this covering of life allow the crabs to hide from predators, it also changes the way the crabs feel and taste. For example, sponges taste bad or are even toxic to many predators so, if you cover yourself with sponges, predators be gone! The bonus of carrying other organisms on your back is that you also have a food supply within a pincher’s reach.

It is truly astounding how well the decorator crabs match their immediate surroundings which added another mystery to my list: Is the range of decorator crabs really small so that they always match their background OR do they know to “adjust” their camouflage when they move to an area where they no longer blend in?

I have learned that the latter appears to be the case. Experiments with captive decorator crabs have shown that, if moved to a background that no longer offers camouflage, the crabs will “adjust” their decorations!

Click here to find the decorator crabs in my images or view gallery below.