Verification of Unusual
Sight Record
For Utah
Rec. # 2023-75
Common name: |
Ruff |
Scientific name: | Calidris pugnax |
Date: | 30/09/2023 |
Time: | 10am |
Length of time observed: | 15mn |
Number: | 1 |
Age: | adult |
Sex: | male |
Location: | Farmington Bat WMA |
County: | Davis |
Latilong: | 40.961651,-111.915806 |
Elevation: | |
Distance to bird: | 50m |
Optical equipment: | Scope Swarowski AT Diam 80 with wide angle 25x50 zoom |
Weather: | Windy, high clouds |
Light Conditions: | Luminous, clear |
Description: Size of bird: | A bit larger than lesser yellowlegs |
(Description:) Basic Shape: | Wader |
(Description:) Overall Pattern: | white morph |
(Description:) Bill Type: | long |
(Description:)
Field Marks and Identifying Characteristics: |
Readily identified by white overall colour, breast spotting, scaly
upperparts, rather short bill and orange legs. Only surprised by the
wholly-black bill, normally bill base is orenge. (see photos) |
Song or call & method of delivery: | None |
Behavior: | Hiding in high "grass", together with greater and lesser yellowlegs |
Habitat: | Shallow waters |
Similar
species and
how were they eliminated: |
Elimination: no similar wader in this plumage |
Previous
experience with this & similar species: |
seen many times in Europe in all plumages |
References consulted: | |
Description from: | From memory |
Observer: | Guillaume Passavy |
Observer's address: | France |
Observer's e-mail address: | ** |
Other observers who independently identified this bird: | |
Date prepared: | 06/11/2023 |
Additional material: | Photos |
Additional comments: | I have photos that I would be glad to share to support the bird ID |