Verification of Unusual Sight Record
For Utah

Rec. # 2023-03


Common name:

Chestnut-collared Longspur

Scientific name: Calcarius ornatus
Date: 1/9/2023
Time: 1:30~pm
Length of time observed: Off and on for 45 minutes
Number: 1
Age: adult
Sex: male
Location: Blue Creek Valley
County: Box Elder
Latilong: 41.737670, -112.453931
Elevation: 4,500ft~
Distance to bird: 20m at closest
Optical equipment: Nikon 10x42 Binoculars
Weather: Overcast, 32F, calm and snowing
Light Conditions: flat light but OK
Description:        Size of bird: small passerine
(Description:)       Basic Shape: passerine
(Description:)  Overall Pattern: mostly brownish
(Description:)            Bill Type: stout, grainivore
(Description:)                              
Field Marks and
Identifying Characteristics:
While driving a dirt road through wheat stubble looking for Larks and Longspurs, I flushed a flock of 70~ birds from the roadside, much to my surprise it was a flock composed completely of Longspurs, mostly Lapland! They were fairly tame and obliging allow close approach so I got out of the car and started looking through them with the binos. While doing this I heard the distinctive squeaky "Kettle" flight call of a Chestnut-collared Longspur. It took me a few minutes but eventually I got eyes on it flying and watched it land in tumbleweeds on the side of road and got good looks. Then the flocks would flush, fly around and re-land and I was able to find the CCLO among them again. This happened at least 4 times, always clued into its location in flight by the kettle call.

ID points noted-White tail with a black triangle in the center from underneath(much more white than surrounding Laplands), sooty belly, buff throat, weak facial stripes and plain brown back with wingbars. Lacking the contrasty white belly, auriculars and rusty tones of the Lapland. Chestnut nape and dark bill visible in photos but not noted in the field. Photos also show 3 white feathers in spread tail. Presumably a basic plumage adult male by the black sooty belly and chestnut nape.
(see photos)
Song or call & method of delivery: I heard the distinctive squeaky "kettle" flight call 1st, and then several more times, infact the flight call is always what got me on the bird, I could hear it then would look for it in flight and watch it fly and then land among the Laplands.
Behavior: Feeding in wheat stubble and tumbleweeds on the side of a dirt road, mixed in with a large flock of Lapland Longspurs
 
Habitat: Mix of wheat fields with some grassy pastures nearby
Similar species and how
were they eliminated:
Lapland Longspur-direct comparison, much more richly colored with rusty brown, white and black. White belly, black streaks on flanks, pink bill, only 1 white feather in outer tail feathers, different flight rattle calls

Thick-billed Longspur-big pink bill, large headed look, white tail with black T pattern, no white wingbars, pale belly, different flight rattle calls

Smith's Longspur-pink bill, buff belly, less white in tail, different flight rattle calls
Previous experience with
this & similar species:
Yes, my 3rd time observing this species, all in Utah. Lapland longspurs observed every winter over the past 10 years, Thick-billed several times as well. None with Smith's.
References consulted: Memory and Macaulay Library photos
Description from: Notes taken at the time of the sighting
From photo(s) taken at the time of the sighting
Observer: Bryant Olsen
Observer's address: 84102
Observer's e-mail address: **
Other observers who independently identified this bird: None that I know of
Date prepared: 1/9/23
Additional material: Photos
Additional comments:

eBird checklist: https://ebird.org/checklist/S125819129