Frank Gill
Contributor
Director of Science, National Audubon Society; President, American Ornithologists Union. Author of Ornithology and others.
Primary Contributions (8)
Psittaciform, (order Psittaciformes), any member of the group of more than 360 species of generally brightly coloured noisy birds to which the general name parrot may be applied. All belong to just two families. In the family Psittacidae are parakeets (including the budgerigars, rosellas, and…
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Publications (1)
Ornithology (October 2006)
Taking an evolutionary approach to bird science, Ornithology incorporates the latest research while featuring an exquisite program of drawings.