Tag Archives: sea ice

My new science book for kids Walrus Facts & Myths is available now!

I am thrilled announce that my new science book for kids, Walrus Facts & Myths is now available for sale on Amazon. This unique book fills an enormous need.

Thanks to media reports and television documentaries – here’s looking at you David Attenborough – many children around the world have been led to believe that walrus are dying in large numbers every year because of reduced sea ice. This has left kids feeling despondent and powerless. The relentless messaging that walrus are doomed (and that it’s all the fault of humans burning fossil fuels) is fortunately false. It’s time the children learned the truth and now, there’s a book for that!

This is a walrus science book for kids with lots of great photos and a format that readers of all ages will enjoy.

In the US, find it here and in Canada here.

In the UK, find it here. And if you want to know more, there is a review by Kip Hansen posted at WUWT.

My nonfiction book for adults Fallen Icon: David Attenborough and the Walrus Deception, will be released in a few weeks but here is a science book just for the kids. If the children in your life enjoyed Polar Bear Facts & Myths, I’m sure they’ll love this one too. The colour photos are beautiful and engaging. It’s also perfect for homeschoolers wanting to learn about Arctic ecology and walrus life history.

Walrus Facts & Myths is available in paperback and ebook formats.

Polar bear habitat update at mid-August

Oddly, after light winter ice coverage on Canada’s east coast and a slightly earlier sea ice breakup on Hudson Bay, the Arctic melt season has stalled. That’s not my opinion but the observation of the sea ice experts at the National Snow and Ice Data Center (NSIDC):

Sea ice loss during the first half of August stalled, though ice in the Beaufort Sea is finally starting to weaken. The Northern Sea Route appears closed off in 2021, despite being open each summer since 2008.

Overall, ice coverage is well above what it was in 2012 (the lowest September extent since 1979) and many years since:

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Foxe Basin polar bear attack victim recalls repeated attacks and being bitten on the neck

A few more details have emerged on the polar bear attack in Foxe Basin last week (Tuesday 10 August) in which three Inuit residents were mauled near the community of Sanirajak, Nunavut (formerly Hall Beach) and had to be airlifted to hospital.

One of the victims, Elijah Kaernerk, has finally recovered enough to explain what happened: he surprised the bear feeding on a carcass of something near his cabin and it came after him. The other two, both women, must have come to see what the noise was about and the bear went after them too. The bear was apparently shot by other members of the community after the attack but no mention was made of its condition, which leads me to believe it was probably not starving.

Quotes from the CBC story (17 August 2021) below.

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Foxe Basin polar bear attack leaves three people seriously mauled, airlifted to hospital

The attack happened yesterday afternoon (10 August) about 2:30 PM local time near the community of Sanirajak (listed as Hall Beach on ice charts), which is in Foxe Basin, Nunavut (population about 800). There are few details yet on the human victims of the mauling other than that they were two women and a man. All three were badly injured. They are now in hospital and expected to survive.

It appears the bear died as a consequence of the attack but there has been no mention of its condition, age, etc., or the circumstances of the attack. There is no ethical reason for blaming this broad-daylight attack on lack of sea ice (although some will try), since there is abundant ice in the region at the moment, as the charts below show. Expect an update as the story unfolds.

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Tipping points, Attenboroughesque narratives of climate doom and dying polar bears

Outlandish ‘tipping point’ rhetoric is about to be regurgitated once again during the promotion of the latest IPCC report, due today. Tipping points are those theoretical climate thresholds that, when breeched, cause widespread catastrophe; they are mathematical model outputs that depend on many assumptions that may not be plausible or even possible.

Polar bears often get caught up in motivational tales of sea ice tipping points.

Tipping points are not facts: they are scary stories made to sound like science.

This is why Sir David Attenborough has totally embraced the tipping points narrative. He even made a movie fully devoted to them, called, Breaking Boundaries – The Science of Our Planet. Tipping points are the animal tragedy porn of mathematical models and Attenborough has adopted them both.

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Polar bear attack in Greenland gratuitously blamed on recent ‘heat wave’

A polar bear bit the hand of a member of a film crew near the Danish military base of Daneborg in East Greenland on Monday (2 August) and predictably, this has been blamed on recent warm temperatures in the region. There is no specific evidence of cause and effect, of course. The news outlet reporting the incident cites some non-specified ‘experts’ as providing the generic ‘warming makes polar bears starve or behave badly’ excuse that makes no sense in this particular instance.

Here is what the news report had to say (3 Aug), my emphasis:

Early on Monday, while the sun does not set in summer at this latitude, the bear poked his head through a poorly closed window of a research station where the documentary team was staying about 400 metres from the small base of Daneborg.

A Danish Arctic military unit based in Greenland said the bear bit the hand of one of the three male team members before they used warning pistols to force the animal to flee.

Transported first to Daneborg, the injured documentary maker had to be evacuated to Akureyri, a town in Iceland.

Already blamed for five incidents until now, the bear returned again later in the morning and then again overnight Monday to Tuesday when it broke a window of the research station before fleeing.

“The local authorities have from now on categorised the bear as ‘problematic,’ which allows for it to be shot dead, if it returns,” the Danish military unit said.

Daneborg is marked on the map below:

Any bear causing problems in this region would have just come off the ice, since three weeks ago there was plenty of ice available offshore a bit to the north (see chart below for 7 July). Virtually all bears are at their best condition at this time of year, except for young, inexperienced bears or those that are sick or injured. Warm temperatures would not be causing any bear to be desperately looking for food unless it was desperate for some other reason (sick, injured, or an under-nourished young bear). However, nothing is stated in this report about the physical condition of the bear, its approximate age or its sex, even though it has been seen multiple times. Young male bears, for example, are far more likely to become problems near communities than any other age class (Wilder et al. 2017), because these bears have to compete with older, larger bears to keep whatever seals they manage to kill.

Note the reliance on un-named ‘experts’ at the end of the same news report:

Experts say the retreat of the ice pack, the hunting ground of the polar bear, forces them to stay on land more often and they find it harder to find food and sustain a species already considered vulnerable.

Although still rare, the close encounters with humans are increasing as bears more frequently approach inhabited areas in their search for food, environmental protection officers say.

What generic pap! The community has a problem bear on its hands, a situation which northern communities across the Arctic must contend with on a continual basis. Even if there was ice offshore, there would be the possibility of bears coming ashore and causing problems.

There is also the issue no one wants to talk about because it has nothing to do with declining sea ice: with more bears comes more problem bears.

References

Wilder, J.M., Vongraven, D., Atwood, T., Hansen, B., Jessen, A., Kochnev, A., York, G., Vallender, R., Hedman, D. and Gibbons, M. 2017. Polar bear attacks on humans: implications of a changing climate. Wildlife Society Bulletin, in press. DOI: 10.1002/wsb.783 http://onlinelibrary.wiley.com/doi/10.1002/wsb.783/full

Polar bear habitat update for end July 2021 compared to previous years

Here’s a trip down memory lane for Arctic sea ice at the end of July, which as far as I can see provides no evidence that a very low sea ice disaster is in the cards for polar bears this year.

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Western Hudson Bay polar bears: still some out on the sea ice, some causing trouble

As of Monday (19 July), more polar bears had come ashore near Churchill and on the shores of Wakusp National Park but some are still out on the bay. The pattern of ice breakup this year means most bears will come ashore well south of Churchill and make their way north over the summer and fall. There have been two Churchill ‘problem’ bear reports so far but not one for this week, so I’ll go ahead and post without it.

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As much Beaufort Sea polar bear habitat at mid-July 2021 as there was in 1982

Beaufort Sea ice coverage is about average for this time of year, again failing to decline in lock-step with other Arctic regions. Will there be lots of fat bears onshore like there was in 2019? Only time will tell.

Healthy polar bear male at Kaktovik, Alaska on the Southern Beaufort Sea, September 2019, Ed Boudreau photo, with permission.
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Polar bears have begun to come ashore on Western Hudson Bay

So far, the first evidence I’ve seen of a bear ashore in Western Hudson Bay was one photographed near Churchill Manitoba on 28 June (below).

28 June 2021 near Churchill

However, by 5 July, the first of six collared females from Andrew Derocher’s WH study (below) had also come ashore, as did others along the shore of Wapusk National Park. This is not ‘early’ – just earlier than the last few years. Like last year, however, there is still a fair amount of sea ice left on the bay and some bears seem to be choosing to stay out longer on what ‘experts’ describe as unsuitable habitat. As you can see on his bear tracker map, Derocher uses a filter that shows only ice >50% concentration because he and his buddies have decided that bears so dislike anything less that they immediately head to shore as soon as ice levels fall below this threshold.

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