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Vagrancy in Birds: A Book Review

10,000 Birds

The diverse range of vagrancy factors dips into related sciences–earth science and magnetic fields, geography and climate, dispersion and evolution–that may not be familiar to readers with little science background. It’s not always easy reading.

Birds 261
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Field Guide to North American Flycatchers: Empidonax and Pewees–A Field Guide Review

10,000 Birds

This is more than a collection of species accounts. Lee is also a geochemist and professor in the Department of Earth, Environmental and Planetary Sciences at Rice University, Houston. ” This builds and expands on a classic series of articles by Bret Whitney and Kenn Kaufman that appeared Birding magazine between 1985 and 1987.*