Seeds of all kinds were scarce. The small, soft ones were quickly exhausted by the birds, leaving mainly large, tough seeds that the finches normally ignore. Under these drastically changing ...

After the lights turn green again, the birds fly away and vehicles ... The Caledonian Crow uses a twig as a tool to extract grubs The woodpecker finch, a bird of the Galapagos, is another ...

The finches in the above video were collected from the Galápagos Islands in 1835 by Charles Darwin and his colleagues during the second voyage of HMS Beagle (1831-1836). The different finch species on ...