By combining data on all known bird species, this tree is the most impressive snapshot yet of one of Earth’s most awe-inspiring classes of animal.

So far, 70 human cases have been confirmed, according to the CDC. Bird flu is continuing to spread in animals across the United States more than a year after the first human case was detected.

In Turkey, seagulls have been observed mimicking cat sounds near cat-food vending machines intended for stray animals. These ...

After testing positive for influenza A, follow-up testing revealed bird flu. The child’s household ... that is sickening more people and animals in the United States and Canada.

But people can reduce spread to birds and other animals — and to humans ... with bottled dish soap and commercial disinfectant. Follow label instructions, said the CDC, which lists enclosure ...

To study bird migrations, researchers often catch ... “It’s not easy to study migration and follow animals along their routes,” says Emily Cohen, a migration biologist at the University ...

UNIDENTIFIED REPORTER #2: U.S. health officials are warning pet owners, their animals could be at risk of contracting bird flu ... As long as you follow those four simple steps that I've given ...

Related: These are the bird flu questions that influenza and animal scientists desperately ... The second part is we’re hoping that other states will follow our lead. Because without having ...

Bird flu is continuing to spread in animals across the United States more than a year after the first human case was detected. Since then, at least 70 people have fallen ill and at least one death ...