Band-rumped Storm-Petrel - Max Nootbaar
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Data

Località

Southeast Farallon Island (Farallon Islands NWR, restricted access)
San Francisco, California, United States
Contenuti multimediali da questa località Checklist illustrata
Mappa
Mappa Coordinate: 37.69852, -123.002789
Età
Non specificato
Sesso
Non specificato

Dettagli dell'osservazione

Captured in Twitville net with rare storm-petrel loop tape at 0020. Large storm-petrel with long wings (wg chord = 155mm), relatively indistinct ulnar bar, narrow white patch on rump, short legs (tarsus = 24.04mm), and short (77mm), squared tail with very slight fork (r6-r1 = 7mm). Exp. culmen = 15.31mm, bill depth 4.99mm. Bare brood patch and no down feathers. AHY by broad rects, p1/s1 contrast, and multiple feather generations in wing covs. Banded with size 1B, r4 and breast feathers taken. Photos.

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