Dolphin whistles are unfit for porpoise

Bottlenose dolphins have whistles which they use to exclusively greet other members of their species, marine biologists in Scotland reported on Wednesday.

Warbling wrens don't just tweet, they sing duets

(AP) -- They may not be Sonny and Cher, but certain South American birds sing duets, taking turns as the tune goes along. "Calling it a love song is probably too strong a word," says researcher Eric S. Fortune of Johns Hopkins ...

Birds invent new songs in evolutionary fast-forward

Native North Island saddlebacks have developed such distinctive new songs in the last 50 years that it is not clear if birds on one island recognise what their neighbors are singing about, a Massey University study shows.

'Birds of a feather' may need rewritten

(PhysOrg.com) -- The old proverb, "Birds of a feather flock together," might be in need of a rewrite, according to University of Alberta findings about chickadees. Researchers have divided chickadees into two personality ...

Birds and mammals share a common brain circuit for learning

(PhysOrg.com) -- Bird song learning is a model system for studying the general principles of learning, but attempts to draw parallels between learning in birds and mammals have been difficult because of anatomical brain differences ...

Chickadees Tweet About Themselves

A short tweet from a chickadee can tell other birds their sex, species and geographic location, according to new research.

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