For social animals like humans, it’s critical to be able to recognize and react to the ... However, individuals can respond in very different ways to seeing someone in such distress. These responses ...
In a new study, scientists describe how different traits used to choose mates in barn swallow populations are driving the bird to diverge, which could eventually lead to the formation of new species.
Some 15 national, regional and state environmental, tribal and animal welfare groups petitioned the U.S. Fish and Wildlife Service on Wednesday to adopt a new approach to recovering grizzly bears ...