Saunders's Gull

Saundersilarus saundersi

ML22478641


©
Angus Wilson
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eBird Checklist S26504494
江戸川区--葛西臨海公園・葛西海浜公園 (Edogawa Ward--Kasai Rinkai Park / Kasai Kaihin Park)
Tokyo, Japan
Search this location, Illustrated Checklist
Latitude and Longitude 35.6398, 139.8655 Map

Age
Unknown
Sex
Unknown
Behaviors
Breeding
Tags

Media notes

Saunder's Gull. Having a think after swallowing an entire crab.

Observation details

One basic adult and one 2Cy, photos. A traditional wintering location, perhaps the most reliable in the greater Tokyo area. Similar in size to Black-headed Gull but with a larger, more obviously domed head. Adult showed prominent white primary tips and extensive white webbing to outer primaries. Dark eye and discrete post-ocular spot on plain face. All dark bill and blood red legs. Did not associate with each other or other gulls. Cruising inter-island channel and shallows over sand flats, performing a very rapid turn and drop onto crabs. These were broken into 2-3 pieces and swallowed whole.

Technical Information

Model
Canon EOS 7D Mark II
Lens model
EF100-400mm f/4.5-5.6L IS II USM +1.4x
f-stop
f/18.0
Focal length
560 mm
Shutter speed
1/500 sec
ISO
400
Flash
Flash did not fire, auto
Original file size
477KB
Dimensions
3366 x 2601

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