"[Irruption] is the term birders use to describe an unusual mass movement of birds into an area. But even that big word fails to capture what happened last winter when thousands of owls descended on northern Minnesota." [more inside]
posted by jessamyn on Oct 16, 2009 - 70 comments

The male Superb Bird of Paradise has an unusual courtship routine. First he sings. Then he hops. Finally, he busts out a spectacular finishing move, which the female finds attractive and/or totally scary. [more inside]
posted by brain_drain on Nov 8, 2007 - 29 comments

Bird Watchers Guide on Flickr. "Linked list of species submitted; find all photos of a species here".
posted by nthdegx on Jun 5, 2005 - 11 comments

How A Young Bird Learns its Song [+]
posted by dfowler on Apr 27, 2005 - 15 comments