Tag Archives: Davis Strait

OK in the 80s but not now: ‘seeing more polar bears means there are more bears’

Wait for it, it will come: backlash from polar bear scientists for a statement by an Inuk bear safety guide in Labrador, reported by the CBC yesterday. The guide said there are more polar bears now than there were 25 years ago based on the fact that he is seeing more bears and that more bears mean more trouble with bears, including attacks on people. As I point out in my new book, The Polar Bear Catastrophe That Never Happened, only in the 1980s did biologists admit that seeing more bears meant there were actually more bears.

polar-bear-black-tickle_Edwin Clark submitted to CBC no date

This bear visited Black Tickle in Labrador a few years back. Edwin Clark photo.

It has not been OK anywhere else in the world over the last few years to suggest that seeing more bears meant more bears, whether you were Inuk or not – whether describing a subpopulation that’s officially ‘increasing’ or not.

According to biologist Andrew Derocher (University of Alberta), who famously said last year that ‘you can’t equate seeing more bears with there being more bears,’ all of the increased sightings and problems with bears in Labrador and Newfoundland are due to poor ice conditions. His colleague Ian Stirling (also University of Alberta) similarly puts the blame for increased polar bear/human conflicts and fatal attacks in Nunavut on a ‘shortage of ice‘. For polar bear specialists, it’s always ‘less ice‘, never ‘more bears.’

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Heads up Newfoundland & Labrador: polar bear season has begun

There is now enough sea ice off southern Labrador and the northern tip of Newfoundland for Davis Strait polar bears to come ashore looking for food. Baby seals won’t be available for months yet. And since winter is the lean season for these bears, some may seek food sources onshore. The bears come down from the area of Hudson Strait and southern Baffin Island: as the sea ice expands south, so do the bears.

Polar bear tracks_25 Feb Labrador 2015 CBC

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More Davis Strait polar bears onshore in the last two days

Four bears were photographed outside of Red Bay, Southern Labrador on Thursday 8 March and a bear was spotted ashore in NE Newfoundland overnight on Wednesday.

Red Bay Labrador polar-bears 8 March 2018_Vicki Hancock photo_CBC 9 March 2018

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Polar bear sighted onshore in northern Newfoundland at St. Lunaire-Griquet

The first report I’ve seen this season of a polar bear onshore has come in and ironically, it comes from northern Newfoundland, the setting of my polar bear attack thriller, EATEN. Only time will tell if this year will be as active as 2017’s record-breaker for polar bears ashore in Newfoundland.

Saint Lunaire Griquet Newfoundland polar bear_VOCM news_6 March 2018

Update: 6 March 2018. A couple of hours after posting this, CBC News Newfoundland published a story on this incident, providing a bit more detail and video footage of the bear wandering around local houses.

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Sea ice off Newfoundland thickest ever yet another polar bear comes ashore

Amid reports that ice conditions between Newfoundland and southern Labrador are the worst in living memory, another polar bear was reported ashore in the area — just after biologist Andrew Derocher explained to the CBC that bears only come on land when sea ice conditions “fail.”

Strait-of-belle-isle pack ice_April 19 2017_Nordik Relais

“Ice too thick for coast guard’s heavy icebreaker” said a 20 April 2017 CBC report on the state of ice in the Strait of Belle Isle. The pack is thick first year ice (four feet thick or more in places) and embedded with icebergs of much older, thicker ice. The ice packed along the northern shore of Newfoundland is hampering fishermen from getting out to sea and is not expected to clear until mid-May.

NASA Worldview shows the extent of the pack ice over northwest Newfoundland and southern Labrador on 19 April 2017 (the Strait of Belle Isle is the bit between the two):

Newfoundland Labrador sea ice 19 April 2017 NASA Worldview

The same day that the above satellite image was taken (19 April), at the north end of the Strait on the Newfoundland side, a polar bear was spotted in a small community northwest of St. Anthony (marked below,  “Wildberry Country Lodge” at Parker’s Brook). It’s on the shore of north-facing Pistolet Bay on the Great Northern Peninsula, near the 1000 year old Viking occupation site of L’Anse aux Meadows.

Parkers Brook location on Pistolet Bay

There were no photos of the Parker’s Brook bear but lots of others have been taken this year of almost a dozen seen along Newfoundland shorelines since early March: see my recently updated post, with an updated map of reported sightings. Harp seals are now abundant in the pack ice of southern Davis Strait, providing polar bears with an ample source of food when they need it most and therefore, a strong attractant to the area.

St brendan's bear 01 VOCM report 5 April 2017 Tracy Hynes

Yet, as I reported yesterday, polar bear specialist Andrew Derocher told the CBC this week that polar bears are almost always “forced” ashore by poor ice conditions. The CBC report included his tweet from 10 April, where he suggested “failed” Newfoundland ice conditions were the cause of multiple bears onshore in Newfoundland this year.

Similar thick ice conditions off northern Newfoundland (perhaps even worse) occurred in 2007, see Twillingate in the spring of 2007 below:

Twillingate-heavy ice-20070523_2007 CBC David Boyd photo

Yet, in 2007 there was not a single polar bear reported onshore in Newfoundland (as far as I am aware) but this year there were almost a dozen. And the photos taken this year show fat, healthy bears – not animals struggling to survive.

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Another fat bear onshore in late winter, along Gulf of St. Lawrence north coast

Another fat bear onshore in late winter, this time along the Quebec shore of the Gulf of St. Lawrence (22 March 2017) – and this time, one of the witnesses to the sighting took some great photos. Courtesy CBC News (Polar bear makes rare appearance on Quebec’s Lower North Shore 24 March 2017).

Gulf St Lawrence North shore PB visit 22 March 2017_CBC headline

Quotes, location map, and sea ice charts below.

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Polar bears seldom catch seals they stalk in summer – it’s why they fast

This short BBC video shows why polar bears are so often unsuccessful in their summer hunts – adult bearded seals are the species most often available on the ice. These seals are not only predator-savvy but there are lots of escape routes in the melting ice, and this has always been so.

“Hungry polar bear surprises a seal – The Hunt: Episode 2 Preview – BBC One”

Melting ice in summer is not a new phenomenon (e.g. NASA photo below from mid-July 2016) – Thomas Grenfell and Gary Maykut described the process of melt pond development back in the 1970s:

“Melt ponds reach the maximum extent shortly after the disappearance of the snow, when they may cover upwards of 50% of the ice.”

sea-ice_melt-ponds_nasa-taken-13july2016_sm

Melting summer ice has always made it challenging for polar bears to catch seals, as this quote from Ian Stirling (1974) show, based on his work in the Central Canadian Arctic in the summer of 1973 (July and August):

There is a great abundance of natural holes in the ice during summer, anyone of which a seal could surface through.

This is still true in areas like the Southern Beaufort Sea today (e.g. Whiteman et al. 2015): the ice melts and in some areas, disappears completely in summer.

It’s why polar bears – unlike other species of bears in summer – depend on their stored fat to see them through until the ice reforms in the fall.

The meme “If there’s no ice, there’s no ice bear” is political-style rhetoric, not science.

[When polar bear scientists say “sea ice” or “ice” – they mean summer sea ice. Sea ice in winter and spring are not predicted to decline by 2100 to any appreciable degree and that has been true since sea ice predictions began]

Polar bears in Hudson Bay and Davis Strait routinely go 4-5 months without sea ice in the summer and have done since studies on them began. Yet, all of the polar bear subpopulations in Hudson Bay and Davis Strait are stable or increasing.

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