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Short or Long-billed Dowitcher?

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3 hours ago, Charlie Spencer said:

how can you tell?  

It has rufous edges and bars on the tertials. Juvenile SBDO molt on their wintering grounds whereas juv. LBDO start to molt on the breeding grounds. Thus, the patterning on the tertials is diagnostic to each species. Note the differences below.

LBDO - https://macaulaylibrary.org/asset/317232811

SBDO - https://macaulaylibrary.org/asset/65938151

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