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Stories about: crow

10 Amazing Facts about Ravens 1.The raven is the largest bird of the crow family: it is twice heavier than a common crow at 1.3 kg (3 pounds), being 60 cm (two feet) long, with a wingspan of almost 1 m (3.3 ft). Ravens can live 40 years in the wild and 70 in captivity. 2.Ravens can soar high above the trees, unlike crows, which rely on active fli... 14 November 2007 17:44 GMT Minicamera Spied Birdy Einstein Reveals Surprisingly Complex Natural Behavior Being birdbrained can sometimes suggest sheer intelligence. In lab tests, the New Caledonian crow outperformed even apes. But new ultralight video cameras attached to their tail feathers allowed the researchers to follow the behavior of the highly intelligent tool-users in the wild. The first-of-its-kind research dis... 5 October 2007 05:19 GMT