Once living on the brink of extinction, the gray-and-yellow Kirtland’s warbler is one of the rarest songbirds in North ...
The living birds are classified into about 45 groups of related species called “orders.” Orders are broken down further into families. A particular family will usually contain several genera (plural ...
Evidence from over 18,300 hours of recorded flight calls suggests songbirds may 'talk' to other species as they migrate, forming social connections and -- just maybe -- exchanging information about ...
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