Wildlife officials have detected the fungus that causes white-nose syndrome in bats from Arkansas. The fungus could reach the Rocky Mountains as early as 2015.
When a member of the wolf pack leaves the group, the howling by those left behind isn't a reflection of stress but of the quality of their relationships.
A science team in Australia has the first clear evidence that damsel fish can change the size of both a false eye and their real eye to maximize chances of survival.
The study supports the multitasking hypothesis, which suggests that females prefer males who can do two or more hard-to-do things at the same time because these are especially good quality males.