Birder's Guide

OCT 2016

Birder's Guide is the American Birding Association's newest publication. Each issue focuses on a key subject, providing tips from experienced birders on a wide variety of topics like Travel, Listing & Taxonomy, Gear, and Conservation & Community.

Issue link: http://bg.aba.org/i/737370

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28 Birder's Guide to Listing & Taxonomy | October 2016 Species Changes Morphology Vocalizations Plumage & Bare Parts Ecology & Behavior Level of Hybridization Genetic Divergence References Current Taxomomy Potential New Taxonomy Pacific-slope Flycatcher Empidonax difficilis Split Pacific-slope Flycatcher Empidonax difficilis Channel Islands Flycatcher E. insulicola √ + √ √ 86 Pacific-slope Flycatcher Empidonax difficilis Cordilleran Flycatcher E. occidentalis Lump Western Flycatcher Empidonax difficilis √ + √ - √ 165 Rose-throated Becard Pachyramphus aglaiae Split Rose-throated Becard Pachyramphus aglaiae White-vented Becard P. albiventris √ 131 Northern Shrike Lanius excubitor Split Great Gray Shrike Lanius excubitor (V) Northern Shrike L. borealis √ √ + 136 Bell's Vireo Vireo bellii Split Eastern Bell's Vireo Vireo bellii Western Bell's Vireo V. pusillus √ + √ √ √ 98 Hutton's Vireo Vireo huttoni Split Hutton's Vireo Vireo huttoni Stephen's Vireo V. stephensi √ √ √ √ √ 34,84,130 Warbling Vireo Vireo gilvus Split Eastern Warbling Vireo Vireo gilvus Western Warbling Vireo V. swainsoni √ + √ √ √ √ 53,70,84,111,130 176,182,188 Gray Jay Perisoreus canadensis Split Canada Jay Perisoreus canadensis Oregon Jay P. obscurus √ * + √ √ √ 187 Mexican Jay Aphelocoma wollweberi Split Arizona Jay Aphelocoma wollweberi Couch's Jay A. couchii √ √ √ √ √ √ 70,121 American Crow Corvus brachyrhynchos Northwestern Crow C. caurinus Lump American Crow Corvus brachyrhynchos √* √* √* - * 69,90,91 American Crow Corvus brachyrhynchos Split American Crow Corvus brachyrhynchos Florida Crow C. pascuus √ +* √ * * Northern Raven Corvus corax Split Northern Raven Corvus corax California Raven C. sinuatus √ √ - √ 52,70,190 Purple Martin Progne subis Split Purple Martin Progne subis Western Martin P. hesperia √ + + √ √ 129 Barn Swallow Hirundo rustica Split Eurasian Swallow Hirundo rustica (V) Barn Swallow H. erythrogaster √ + √ 203 Cliff Swallow Petrochelidon pyrrhonota Split American Cliff Swallow Petrochelidon pyrrhonota Mexican Cliff Swallow P. melanogaster + √ 131,171 Cave Swallow Petrochelidon fulva Split Caribbean Cave Swallow Petrochelidon fulva Mexican Cave Swallow P. pallida √ + √ 56,96 Mountain Chickadee Poecile gambeli Split Gambel's Chickadee Poecile gambeli Sierra Chickadee P. baileyae √ √ √ √ 60,70,142,181 Chestnut-backed Chickadee Poecile rufescens Split Chestnut-backed Chickadee Poecile rufescens Gray-sided Chickadee P. barlowi √ √ * 39,65 Bushtit Psaltriparus minimus Split Pacific Bushtit Psaltriparus minimus Interior Bushtit P. plumbeus Black-eared Bushtit P. melanotis (X) √ √ √ √ 70 White-breasted Nuthatch Sitta carolinensis Split White-breasted Nuthatch Sitta carolinensis Slender-billed or Oak Nuthatch S. aculeata Rocky Mountain Nuthatch S. nelsoni Mexican Nuthatch S. mexicana + + √ √ √ 189 Brown Creeper Certhia americana Split Brown Creeper Certhia americana Pacific Creeper C. occidentalis Rocky Mountain Creeper C. montana Mexican Creeper C. albescens Central American Creeper C. extima (X) √ + √ √ 116,172 House Wren Troglodytes aedon Split Northern House Wren Troglodytes aedon Cozumel Wren T. beani (X) Brown-throated Wren T. brunneicollis Southern House Wren T. musculus (X) + Caribbean taxa (X - need further study) + + + √ √ 27 Marsh Wren Cistothorus palustris Split Eastern Marsh Wren Cistothorus palustris Western Marsh Wren C. paludicola Worthington's Marsh Wren C. griseus + √ √ √ 70,106,107 Bewick's Wren Thryomanes bewickii Split Interior Bewick's Wren Thryomanes bewickii Pacific Bewick's Wren T. spilurus √ √ - √ 70 Blue-gray Gnatcatcher Polioptila caerulea Split Eastern Blue-gray Gnatcatcher Polioptila caerulea Western Blue-gray Gnatcatcher P. obscura Cozumel Gnatcatcher P. cozumelae (X) √ √ √ √ - 143 Eastern Bluebird Sialia sialis Split Eastern Bluebird Sialia sialis Azure or Mexican Bluebird S. guatemalae + √ *

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