Lesser Black-backed Gull - Steve Freed
Segnala

Collaboratore

Data

Località

Andalusia Sandbars (Illinois)
Rock Island, Illinois, United States
Contenuti multimediali da questa località Checklist illustrata
Mappa
Mappa Coordinate: 41.428766, -90.99168
Età
Non specificato
Sesso
Non specificato

Dettagli dell'osservazione

Well viewed bird appears to be second cycle. Significantly larger than nearby RBGU's. Bill is entirely black, legs are pink and eyes are dark. Primaries are entirely black. Upper parts are a very even slate color with with a small amount of patterning. Tail is mostly black with white towards the base and tip. Rump is white with a small amount of dark speckling. Tertials are solid dark slate edged with a pale whiteish wash.

Informazioni tecniche

Modello
COOLPIX P950
ISO
100
Lunghezza focale
285 mm
Flash
Flash did not fire
f-stop
f/6.3
Velocità otturaore
1/500 sec
Dimensioni
2377 pixels x 1673 pixels
Dimensione originale file
539.08 KB