Geoffrey E. Hill Books

Ivorybill Hunters: Search for Proof in a Flooded Wilderness
Bird Coloration Volume 1 Mechanisms and Measurements
Bird Coloration Volume 2 Function and Evolution
National Geographic bird coloration
National Geographic bird coloration

By Geoffrey E. Hill

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Seventeen short chapters with engaging narrative and lots of photos with information-packed captions illustrate the mechanisms by which birds produce the characteristic and sometimes brilliant colo...

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Fishing Central Oregon 3rd edition
Fishing Central Oregon
Fishing Central Oregon and Beyond
A Red Bird in a Brown Bag: The Function and Evolution of Colorful Plumage in the House Finch
A Red Bird in a Brown Bag
Red Bird in a Brown Bag
Red Bird in a Brown Bag

By Geoffrey E. Hill

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