Purple Sandpiper

Calidris maritima

ML42879201


©
David Blue
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eBird Checklist S33090658
Dillon Reservoir--Blue River Inlet area
Summit, Colorado, United States
Search this location, Illustrated Checklist
Latitude and Longitude 39.5713, -106.053 Map

Age
Immature
Sex
Unknown
Behaviors
Breeding
Tags

Comments

Observation details

This bird was first discovered by Jack & Ryan Bushong on December 16. It was foraging in a small rocky stream (Iron Springs Creek?) in the south western corner of the Blue River Arm of Dillon Reservoir, approximately 800 feet northeast of where Iron Spring Road intersects SH 9. A plump shorebird, somewhat reminiscent of a Black-bellied Plover in stockiness, although smaller. Its behavior was typical "rockpiper", foraging by steadily walking, sometimes picking at the surface, but often dipping its entire head into the water. It often hopped from rock to rock, and twice was observed actually swimming. The head and breast were slate gray, making its white eye-ring quite distinctive. It also had a white supraloral spot in front of the eye. The medium-length bill drooped slightly, and was orange at the base, fading to gray throughout most of its length, and black at the tip. The upperparts were gray and the coverts and tertials were fringed with white suggesting that this was a first winter bird. The belly was white with heavily streaked flanks, and undertail coverts were white. The legs were bright yellowish-orange. See the attached photos.

Technical Information

Model
Canon EOS 7D Mark II
Lens model
EF100-400mm f/4.5-5.6L IS II USM
f-stop
f/7.1
Focal length
300 mm
Shutter speed
1/400 sec
ISO
320
Flash
Flash did not fire, auto
Original file size
1,059KB
Dimensions
3334 x 2222

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