Chimney Swift

Chaetura pelagica

ML161730461


©
Nathan Pieplow
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eBird Checklist S56820854
Jensen Bridge
Uintah, Utah, United States
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Latitude and Longitude 40.3683, -109.3342 Map

Age
Adult
Sex
Unknown
Behaviors
Breeding
Tags

Media notes

Observation details

Small, cigar shaped swift, uniformly brown with paler throat. Silent. In the field I had no idea whether this was Chimney or Vaux's. After studying online resources, I started to lean toward Chimney Swift given the long wings and the bulging inner primaries. I asked for a few opinions. Tony Leukering said, "I’d go with CHSW, due to the ss bulge and the apparent lack of a paler rump. However, I’m not all that comfortable with Chaetura." Steve Mlodinow added, "I agree with Tony, looks much like a Chimney Swift. For the points Tony makes and this bird has the lankier jizz of a CHSW rather than the stubby feel of Vaux's." I will add that three days after seeing this bird, I was in Oregon and got to study Vaux's Swift, and it quickly struck me as a much faster-flapping bird than the one I'd seen in Utah, with shorter and straighter-edged wings. For all these reasons, I am now comfortable calling this a Chimney Swift. NOTE: This record was accepted by the Utah Bird Records Committee as the second confirmed record for Utah.

Technical Information

Model
Canon EOS 70D
f-stop
f/5.6
Focal length
400 mm
Shutter speed
1/1000 sec
ISO
2500
Flash
Flash did not fire, auto
Original file size
138KB
Dimensions
780 x 615

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