Related topics: birds

Sparrows change their tune to be heard in noisy cities

Sparrows in San Francisco's Presidio district changed their tune to soar above the increasing cacophony of car horns and engine rumbles, details new George Mason University research in the April edition of Animal Behaviour.

Elaborate plumage due to testosterone?

(PhysOrg.com) -- In many bird species males have a more elaborate plumage than females. This elaborate plumage is often used to signal body condition, to intimidate rivals or to attract potential mates. In many cases plumage ...

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