Tag Archives: polar bear alert

First Churchill problem polar bear report of the season: its only incident caught on film

We are constantly told things are getting worse for polar bears, especially those in Western Hudson Bay, because the ice-free season there was predicted to decline earlier than other regions. It hasn’t turned out that way but that does not stop the public rhetoric of doom or NGOs pleading for funds.

Last week, the Town of Churchill made public its first problem polar bear report of the year but oddly, it has only one entry.  This is the first time I’ve seen such a sparse first report:  since 2015, the first few incidents of the season have been subsumed into a first week report (issued no earlier than the first week of July) that announces the arrival of many bears on land.

Churchill problem bears_week 1_2019 July 8-14

Is this report of an isolated incident an attempt by Polar Bear Alert officials to make sure the first report of the season was not issued weeks later than usual? Or was it posted in isolation because the official response to the incident was caught on video and shared on social media (see below)?

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New ice on Hudson Bay a week earlier than 2017: another early freeze-up ahead?

Last year, an early freeze-up of Western Hudson Bay sea ice almost ruined the Polar Bear Week campaign devised by Polar Bears International to drum up donation dollars and public sympathy for polar bear conservation. Many bears were on the ice hunting by 7-8 November in 2017 before the celebratory week was done (the average date that bears left the ice in the 1980s): sea ice charts suggest the same may be happening this year.

Polar bears off Churchill_2000-11-20_wikipedia

Ice is forming along the Hudson Bay coast more than a week earlier than it was last year (barely discernible on the map below but detailed ice charts show it clearly), consistent with early build-up of ice in the Canadian Archipelago, East Greenland, and Foxe Basin since mid-September.

Sea ice Canada 2018 Oct 23

The question is: will the ice continue to build over the next few weeks or get blown offshore? See the ice charts below for this year and 2017.
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Problem polar bears of Churchill: first report of the season similar to 2016

The first activity report of the Churchill Polar Bear Alert Program has been released for 2017. It comes on the same week as last year’s (so about the same dates for first bears ashore both years), and reports pretty much the same activity.

Churchill PB reports_week 1_ July 10-16_July 2017

Odd that this year’s report contains no mention whatsoever of the condition of the bears as did last year’s (see below), which may have brought criticism for spoiling the media ‘message’ that WHB bears are suffering because of reduced sea ice. Better no comment at all than good news, eh?

Sea ice for the week of 10 July off Western Hudson Bay this year consisted of a broad strip of thick first year ice (>1.2m thick) just off shore.

Hudson Bay weekly ice stage of development 2017 July 10

The ice charted above looked like this on a standard ice map:

Sea ice Canada 2017 July 11

There are no other reports that I could find of polar bears ashore along the coast of Western Hudson Bay, so these bears must be the first wave.

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Arctic sea ice grows & Churchill polar bears into their 4th month of fasting

A quiet year for problems in the polar bear capital of the world (Churchill, Manitoba) so far – despite this year tying for the second-lowest minimum since 1979 – and the ice is growing fast. In fact, Arctic ice growth in the second half of September was rapid and there is now more ice than there was at this date in 2007 and 2012 (when polar bears in those regions considered most at risk did not die off in droves).

masie_all_zoom_4km-2016-oct-12

Pessimistic polar bear specialists are wrong  – polar bears are much more resilient to low sea ice levels in summer than they assume: their own data from low summer ice years proves it.  If you’ll recall from my previous post, polar bears seem to have barely survived the extensive sea ice coverage during the Last Glacial Maximum – in other words, too much ice (even over the short term) is their biggest threat. Polar bear numbers, as confirmed by the latest estimates in the 2015 IUCN Red List assessment, are higher now than they have been since the 1960s, despite almost 10 years of summer sea ice minimums below 5.0 mk2.

Churchill Polar Bear Alert reports and Arctic sea ice comparisons at this date, in detail below.

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W Hudson Bay polar bears now on the ice hunting but killer whales could be trapped

According to reports from folks on the ground in Western Hudson Bay, most polar bears were out on the ice resuming seal hunting by the 20th or 21st November at the latest (some got started quite a bit earlier). That’s less than 2 weeks later than the average date in the 1980s (which was November 8).

Sea ice Canada 25 Nov 2015_with Churchill

However, the rather odd pattern of freeze-up this year may not be good news for any killer whales still remaining in Hudson Bay – their access to the open ocean is already virtually blocked by ice.

UPDATE 26 November 2015: What a difference a day makes! Look at the spectacular ice development overnight along the west coast of Hudson Bay and in the central portion of the bay since yesterday (below).

Canadian Arctic Nov 26 2015_CIS

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Keeping track of problem bears in Churchill

The City of Churchill has recently taken to posting its problem bear reports on its Facebook page. This is something to keep an eye on, so let’s catch up so that future reports can be put into context.

Figure 1. A bear is transported to Churchill’s polar bear holding facility, from a 2011 Huffington Post article “Polar Bear Prison.”

Photo above:  A bear is transported to Churchill’s polar bear holding facility (from a 2011 Huffington Post article, “Polar Bear Prison”).

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