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Bird Identification Q&A
Warbler or Flycatcher?
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<blockquote data-quote="Jim M." data-source="post: 1439766" data-attributes="member: 60675"><p>As I noted above, Sibley's does show that Dusky migrates through BCS, but not Hammond's. I think that would make sense given the habitat preferences (though of course habitat preferences mean less in migration). But the discrepancy between the two guides is odd. Though I imagine the data sources for range maps in this region are not particularly rich, with relatively few birders in these areas.</p><p></p><p>Best,</p><p>Jim</p></blockquote><p></p>
[QUOTE="Jim M., post: 1439766, member: 60675"] As I noted above, Sibley's does show that Dusky migrates through BCS, but not Hammond's. I think that would make sense given the habitat preferences (though of course habitat preferences mean less in migration). But the discrepancy between the two guides is odd. Though I imagine the data sources for range maps in this region are not particularly rich, with relatively few birders in these areas. Best, Jim [/QUOTE]
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Bird Identification Q&A
Warbler or Flycatcher?
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