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The Incredulous New Caledonian Crows

10,000 Birds

Capuchin monkeys, macaques, Cotton Top Tamarins, Chimpanzees, and many other animals, including various birds, have been investigated and found to be unable to make inferences about HCAs. The next graph shows the average number of times per trial that the crow decided to abandon an effort to get at the food.

Abandon 239
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Come@Me: Don’t Mourn for Extinct Birds

10,000 Birds

Pink Pigeons were once found throughout Mauritius, but by the 19th century the population became fragmented and by 1986 only 12 or 16 pigeons remained, depending on your source of information, less than 12 by 1991. And, as we find out in a blogged coda to the episode , they can’t even take care of their eggs. On the WCS web page, Ms.

Mauritius 102