Sighting Record for Utah

Common name:	Chestnut-sided Warbler
Scientific name:	Setophaga pensylvanica
Date:	5/20/23
Time:	7:30 am
Length of time observed:	30 min
Number:	1
Age:	Immature, second year
Sex:	Male
Location:	Rio Mesa Field Station
County:	Grand
Latilong:
Elevation:	1280 m
Distance to bird:	In hand
Optical equipment:	Clear/slightly overcast
Weather:
Light Conditions:
Description: Size of bird:	Wing 61 mm, body mass 10.1 g
(Description:) Basic Shape:	Warbler
(Description:) Overall Pattern:	Yellow, white, black, chestnut
(Description:) Bill Type:	Insectivore
(Description:) Field Marks and Identifying Characteristics:	SY male in breeding plumage. Diagnostic chestnut streaks on flanks, contrasting with an otherwise pale underside. Dark mask and yellowish cap. (see photos)
Song or call & method of delivery:	Mist net
Behavior:
Habitat:	Riparian, along the Dolores River
Similar species and how were they eliminated:	Male CSWA are pretty distinctive and not likely to be confused with another species.
Previous experience with this & similar species:	I have personally seen this species many times across multiple states in the eastern U.S. and am therefore quite familiar and experienced with it. Some of the other members of the crew on hand have seen them in Wisconsin and New York.
References consulted:	None needed to ID, Pyle guide consulted for ageing in-hand
Description from:	From photo(s) taken at the time of the sighting
Observer:	Kyle Kittelberger
Observer's address:	370 E Kensington Ave
Observer's e-mail address:	**
Other observers who independently identified this bird:	Liz Allocca, Tully Frain, Sean Maloney
Date prepared:	5/23/23
Additional material:	Photos
Additional comments:	Pics uploaded to eBird list. This was a first record for our banding station since it was started in 2011.