Add Yahoo as a preferred source to see more of our stories on Google. Mountain chickadees are unusual in having more complex calls than songs. Vladimir Pravosudov I approach a flock of mountain ...

Conversations with friends have an ease that is hard to replicate with someone you have just met—often replies come more ...

Eleven-year-old Samuel Henderson of Choctaw, Oklahoma, is a born entertainer with a unique talent: he can perfectly imitate about 50 birds. "Some people say that I swallowed birds," Henderson, who is ...

Sofia Marie Haley does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...