Black bears (Ursus americanus) reproduced at a younger age in urban areas and were nearly twice the size of bears in national forests shortly after their first birthday, researchers from North Carolina State University and ...
Plants & Animals
Sep 9, 2021
0
33
(Phys.org) -- Most people who have worked with black bears tend to believe the animals are pretty smart compared to say dogs or cats; others who have seen them in action, e.g. riding a unicycle in a circus, tend to agree. ...
A polar bear in Greenland may be shot dead next time it endangers people after several close encounters, including one where it bit the hand of a documentary team member, authorities said.
Ecology
Aug 3, 2021
4
123
The HiRISE camera on NASA's Mars Reconnaissance Orbiter recently sent home eye-catching views of the agency's InSight lander and its Curiosity rover.
Space Exploration
Oct 17, 2019
0
196
Endogenous retroviruses (ERVs) are viruses that at some point in the past inserted themselves into the nuclear genome of a host's germ cell. Once integrated in a germ cell the virus would be passed on from one generation ...
Ecology
Jul 15, 2013
1
0
A new study finds polar bears in the wild have higher metabolic rates than previously thought, and as climate change alters their environment a growing number of bears are unable to catch enough prey to meet their energy ...
Ecology
Feb 1, 2018
8
240
Researchers placed 160 cameras on 19 of the 22 Apostle Islands in northern Wisconsin to see which carnivores were living there. After taking more than 200,000 photos over a period of three years, the team discovered that ...
Ecology
Dec 21, 2018
0
115
Some female bears may select dens for hibernation in areas nearer to human activity to keep the threat of males from them and their vulnerable newborn cubs, researchers suggest.
Plants & Animals
Jul 19, 2022
0
95
A key polar bear population fell nearly by half in the past decade, a new U.S.-Canada study found, with scientists seeing a dramatic increase in young cubs starving and dying.
Ecology
Nov 17, 2014
85
0
Polar bears look set to see their numbers dwindle by nearly third by mid-century, a top conservation body said Thursday, warning climate change poses the greatest threat to the king of the Arctic.
Ecology
Nov 19, 2015
0
56
