Songs of Brazilian Birds
A fantastically diverse collection of .au files, including the beautifully evocative Organ Wren
or Uirapuru, the mooing of the Capuchinbird
, the sci-fi minimalism of the Short-tailed Antthrush
and a duet of Laughing Falcons
(they'll make you laugh at the end).
Crows better than chimps at making tools?
British scientists were reportedly "astonished" when a captive crow named Betty "spontaneously bent a straight piece of wire and used it to retrieve a snack." But another scientist says crows have been seen making two kinds of hook tools in the wild, although he's not sure we should say they have "insight." It's clear that there are lots of different kinds of animal intelligences
, so why are humans so surprised when dolphins recognize themselves in mirrors
, chimps demonstrate culture
and lions engage in social problem-solving
? What explains the reluctance to admit that animal "consciousness"