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Incoming Resources
- Gifts of the crow, how perception, emotion, and thought allow smart birds to behave like humans, John Marzluff and Tony Angell
- In the company of crows and ravens, John Marzluff, Tony Angell and Paul Ehrlich
- Gifts of the crow, how perception, emotion, and thought allow smart birds to behave like humans, John Marzluff and Tony Angell ; illustrated by Tony Angell. --
- The hidden lives of owls, the science and spirit of nature's most elusive birds, Leigh Calvez ; illustrations by Tony Angell