A Jan. 4 Facebook post (direct link, archived link) shows a graph that claims to chart the global polar bear population dating back to the 1960s. “Polar Bears 1960s-2021,” reads the text ...

Polar bears survive by hunting on sea ice, which makes them especially vulnerable to climate change. New research shows that sea ice loss can present other, less obvious threats to the species as ...

As the planet heats up, polar ... bears in the earlier period. The number of bears that tested positive for Toxoplasma gondii increased from 2.2 percent to 14.1 percent, while the prevalence of ...

As the Arctic warms, polar bears now face a greater risk of contracting ... the bacteria that cause rabbit fever and brucellosis, and the canine distemper virus. The increases in the prevalence ...

The proportion of polar bears exposed to the parasite Neospora caninum and to the bacteria that cause the diseases brucellosis and tularemia has at least doubled since the 1990s, the researchers ...

that have become more common in polar bears, are two parasites that cause toxoplasmosis and neosporosis, two types of bacteria that cause rabbit fever and brucellosis, and the virus that causes ...

that have become more common in polar bears, are two parasites that cause toxoplasmosis and neosporosis, two types of bacteria that cause rabbit fever and brucellosis, and the virus that causes ...