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Birds of Belize & Birds of Costa Rica: A Field Guide Review Doubleheader

10,000 Birds

For oceanic birds he uses the taxonomy that he and Kirk Zufelt developed in Oceanic Birds of the World: A Photo Guide (PUP, 2019). And when writing a field guide, it is accepted practice to adopt one of the above and to stick to it, with any questions or disagreements safely ensconced in the text, not in an actual change of species.

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Peterson Reference Guide to Sparrows of North America: A Review by a Sparrow Fan

10,000 Birds

It will be interesting to see if the proposal is adopted and this guide becomes the first to employ the new official usage, or if it sparks other bird guide authors to revolt against the system. Houghton Mifflin Harcourt, March 2019, 448p. Rick Wright agrees. Just to be sure, read the section on “Ruling Our the Non-Sparrow.”