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Spotted Sandpiper (Actitis macularius)    Sandpipers and Allies (Scolopacidae)
Plettet Mudderklire ~ Playero Alzacolita ~ Fläckdrillsnäppa
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(added 2020-10-17)
Adult prebasic molt happens on the winter ground, juveniles molt progressively during migration and continue on the winter ground. By April they replace the last juvenile feathers, the two outer primaries.

By late autumn birds are difficult to age by normal field observation.
Spotted Sandpiper 1907    (1 sounds)
2015-10-21    Presa Las Pintitas (Guadalajara), Mexico

Alarm call. Worried about my presence it stood still on a floating object constantly calling.


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