If someone ruins your day, it's really, really bad. It can be really hard to bounce back from something like that, and may even be impossible. The same typically doesn't go for animals; after a few ...

The study found that bird species who nest in tree cavities have independently evolved heightened aggression across lineages, particularly in females. Scientists have long wondered whether evolution ...

A cyclist died in Australia after being startled by a swooping magpie, a native Australian bird that gets aggressive in the spring around breeding season. CREDIT: Michael Dodge/AsiaPac/Getty Images ...

"We are warning local people and particularly those with small children to be on their guard and not to approach the bird, which poses a very real threat to the public due to its size, aggressive ...

Iowa Secretary of Agriculture Mike Naig discusses the bird flu outbreak during his appearance Friday on "Iowa PBS" at Iowa PBS studios in Johnston. (Photo supplied by Iowa PBS) Buy Photo JOHNSTON — ...