Sighting Record for Utah

Common name:	Least Tern
Scientific name:	Sternula antillarum
Date:	05/16/2016
Time:	1:00pm
Length of time observed:	15 minutes
Number:	1
Age:	adult
Sex:	?
Location:	Powell Lake
County:	Utah
Latilong:	40.381677, -111.902997
Elevation:	4,300'
Distance to bird:	15'-200'
Optical equipment:	8x42 binoculars, and 600mm lens
Weather:	slightly overcast to partly sunny
Light Conditions:	nice lighting--not too bright
Description: Size of bird:	small tern
(Description:) Basic Shape:	tern
(Description:) Overall Pattern:	grey, white, black and yellow
(Description:) Bill Type:	small but long dagger-like bill
(Description:) Field Marks and Identifying Characteristics:	Very tiny tern--much smaller than all other gulls and terns present. Grayish belly, chest, back, rump, tail, and wings. Black outer primary feather (maybe just P10). Dark cap, with white forehead and a little white on the cheeks. Small orange-yellow bill with the slightest black tip. Small tail with two whispy streamers extending an inch or so beyond the tail tip on either side. (see photos)
Song or call & method of delivery:	none
Behavior:	Flying around a small pond occasionally diving
Habitat:	Small lake/pond, surrounded by phragmites, russian olives, and a urban development.
Similar species and how were they eliminated:	None--No other N. American Tern is this size, or pattern. Other species around the world like Little, Peruvian, or Yellow-billed are all extremely unlikely.
Previous experience with this & similar species:	Seen several in Utah and else where in the U.S.
References consulted:	None
Description from:	From memory
Observer:	Tim Avery
Observer's address:	N/A
Observer's e-mail address:	**
Other observers who independently identified this bird:	Several later in the day.
Date prepared:	05/18/2016
Additional material:	Photos http://timaverybirding.com/photos/thumbnails.php?album=1268
Additional comments:	Please grab copies of the photos you want to include, since the directory on my website will change when I move the photos into their species folder in a few months.