Revised Ageing and Sexing Criteria for the Blue-throated Hummingbird Peter Pyle and Steve N. G. Howell Point Reyes Bird Observatory 4990 Shoreline Highway Stinson Beach, CA 94970

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Date: 2015-02-27 22:35:09 Bird anatomy Feathers Lampornis Trochilinae Gorget Blue-throated mountaingem Magnificent hummingbird Hummingbird Flight feather Mountaingem Plumage		Revised Ageing and Sexing Criteria for the Blue-throated Hummingbird Peter Pyle and Steve N. G. Howell Point Reyes Bird Observatory 4990 Shoreline Highway Stinson Beach, CA 94970 Add to Reading List Source URL: www.birdpop.org Download Document from Source Website File Size: 299,51 KB Share Document on Facebook

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