The first day of spring is still a month away, yet many Georgia songbirds already are bursting out in song. Other are performing elaborate courtships to lure nesting mates.
One of the first signs that spring is not far off arrives in mid-February, when the male northern cardinal sings his cheerful ...
To begin deciphering the subtleties of wild Amazon Parrot duetting, Professor Dahlin and collaborators conducted more than ...
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