How long have polar bears lived in Hudson Bay?
The unique geographical postion and oceanographic properties of Hudson Bay make it very different from other Arctic regions that polar bears inhabit. Hudson Bay is a large shallow basin that freezes...
View ArticlePolar bears cavorting with ABC brown bears not supported by geological and...
The authors of a new paper out in PLoS Genetics (Cahill et al. 2013, entitled “Genomic Evidence for Island Population Conversion Resolves Conflicting Theories of Polar Bear Evolution”) propose to...
View ArticlePolar bears barely survived the sea ice habitat changes of the last Ice Age,...
While the polar bear is an Ice Age species, genetic and fossil evidence suggests it barely survived the profound sea ice changes associated with the Last Glacial Maximum, one of the most severe glacial...
View ArticleArctic 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,...
View ArticleAbrupt summer sea ice decline has not affected polar bear numbers as predicted
Yes, Arctic sea ice has declined since satellite records began in 1979 but polar bears have adjusted well to this change, especially to the abrupt decline to low summer sea ice levels that have been...
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