Documentation of
Buff-breasted Sandpiper
2022-021
Observer Information
Reporter:
Peter Gent
55 S. 35th St.,
BOULDER,
CO 80305-5524
E-mail:
pgent@cobirds.org
Other Observers:
Many other observers.
Species, Date, Time and Location Information
Species:
Buff-breasted Sandpiper
First Date/Time:
9/10/2022 11:30:00 AM
Last Date/Time:
9/12/2022 4:30:00 PM
Duration (total time in view):
3 hours
County:
Boulder
Specific Location:
Lagerman Reservoir and the Swede Lakes
Number:
1
Age:
Immature
Sex:
Unknown
Plumage:
Transitional
Habitat
Shoreline of a moderate sized reservoir.
Viewing Conditions
Optics:
10x binocs and 20-60x telescope.
Distance:
40 yards at closest.
Light:
Cloudy on 9/10/22 but sunny on 9/11/22 and 9/12/22.
Description of the Bird
A smallish shorebird that was a little larger than the many Baird's Sandpipers that were present. A buffy head and upper chest with a dark eye and a prominent light tan complete eyering. Short, thin dark bill and longish yellow legs. The belly was white. The lower neck and the back had a scaly pattern with the feathers fringed in white, which is why I think it was a juvenile bird. The bird often foraged well away from the water's edge on the drier parts of the shore which had quite a lot of vegetation.
Similar Species Discussion
Baird's Sandpipers were smaller with black legs. Not so buffy around the head and upper chest.
Pectoral Sandpipers were larger with streaking on the upper chest down to a distinct demarcation line with white below. Had an eyeline and some yellow in the bill.
Resources Used
iBird pro app on phone plus Sibley and National Geographic field guides.
Previous Experience
Have seen this species several times in fall in Colorado and a few times in spring in Texas. Very familiar with the other sandpipers including Baird's and the other peeps, and Pectoral Sandpiper.
Date Documentation Submitted
9/12/2022 9:21:00 PM
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