Verification of Unusual Sight Record
For Utah

Rec. # 2021-40


Common name:

Least Tern

Scientific name: Sternula antillarum
Date: 28 May 2021
Time: 0900
Length of time observed: 3 hours
Number: 1
Age: Adult, breeding
Sex:  
Location: Stonebridge Pond
County: Washington
Latilong: 37�'34.1"N 113�'27.7"W
Elevation: 2900 feet
Distance to bird: Variable
Optical equipment: Zeiss Victory HT 8x42 binoculars
Weather: Sunny, clear
Light Conditions: Bright
Description:        Size of bird: Small
(Description:)       Basic Shape: Tern
(Description:)  Overall Pattern: White
(Description:)            Bill Type: Straight, pointed
(Description:)                              
Field Marks and
Identifying Characteristics:
Small tern with yellow bill and black tip. Prominent white forehead, black cap. Short forked tail. Outer wings with black leading edge. White underparts.
(see photos)
Song or call & method of delivery:  
Behavior: Quick wing beats flying. Frequent diving into the pond for fish. Landed on the tee box of the 4th hole of the Sunbrook (Blackrock) golf course.
Habitat:  
Similar species and how
were they eliminated:
Common Tern - should have a black forehead, orangish bill..
Forsters Tern - these are seen in our area but they have a black forehead and orangish bill as well. .
Previous experience with
this & similar species:
I have seen the Least Tern previously in coastal Texas, coastal Florida and coastal New Jersey. I have seen Forster's Terns at this pond and elsewhere in Utah.
References consulted: Sibley Guide to Birds
National Geographic Field Guide of North America
Description from: From memory
From photo(s) taken at the time of the sighting
Observer: Bill Compton
Observer's address: 1854 Stonebridge Drive #114, St. George, Utah 84770
Observer's e-mail address: **
Other observers who independently identified this bird: Paul Jaussi, Steve Sommerfeld, Mike Schijf and others
Date prepared: 21 June 2021
Additional material: Photos  
Additional comments: This bird was initially seen incidentally from the back patio of our home on Stonebridge Pond.
3 flying photos of this bird submitted