Churchill Polar Bears

Churchill, Manitoba’s Polar Bear Alert Program is still reporting many fewer problems with polar bears onshore than it did last year at the same point in the ice-free season (week 5, 7-13 August): Compare to week five last year (2016), when bears came ashore in excellent condition: Although it’s been warmer than average recently (25.4 […]

via Churchill polar bear reports still showing fewer problems than last year — polarbearscience

Dead polar bear washed ashore in NE Newfoundland, cause of death unknown — polarbearscience

A dead polar bear was found on the shore of northeastern Newfoundland yesterday but the cause of death has not yet been determined. From the local Telegram (5 June 2017): “[Ann] Peddle of Bristol’s Hope was out for her morning walk when she came across the carcass of a polar bear that had washed ashore. […]

via Dead polar bear washed ashore in NE Newfoundland, cause of death unknown — polarbearscience

Endangered Species Act!

National Geographic reports The U.S. Endangered Species Act has saved more than 200 species from extinction—but business and political interests want to scuttle it. Read story at Inside the Effort to Kill Protections for Endangered Animals

via Efforts To Kill Protection For Endangered Species — Natural History Wanderings

Sea Ice Off Newfoundland/Labrador Heaviest in Living Memory

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.” “Ice too thick for coast guard’s heavy icebreaker” said […]

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

Cross Breeding of Bears?

A new paper on the evolutionary history of bears (Bears breed across species borders: Kumar et al. 2017) has concluded that hybridization is common and natural among all species of ursids. And while some media outlets (e.g. DailyMail) have framed this as surprisingly convincing proof that experts were wrong to claim that climate change is […]

via New genetics paper is not about whether climate change causes polar bear hybrids — polarbearscience

Arctic Wildlife Refuge!

Defenders of Wildlife Press Release SENATE AND HOUSE ARCTIC REFUGE WILDERNESS BILLS INTRODUCED Members of Congress Push for Wilderness Two Years After Transmittal WASHINGTON (April 4, 2017) – Today, 40 senators led by Senators Ed Markey (D-MA) and Michael Bennet (D-CO) and a bipartisan group of representatives led by Representatives Jared Huffman (D-CA), Brian Fitzpatrick […]

via Bipartisan Support To Protect Arctic National Wildlife Refuge — Natural History Wanderings

Polar Bear Population Appears to be Up!

Polar bear numbers have risen since 2005, no matter how you look at it: USGS estimated 24,500 (average) polar bears in 2005. IUCN estimated 26,500 (average of 22,000-31,000) in 2015 (assessment completed in July, released in November). Subpopulation surveys completed or reported after July 2015 (Baffin Bay, Kane Basin, Barents Sea) added ~2,000 bears. This […]

via Global polar bear population size is about 28,500 when updates are included — polarbearscience