Verification of Unusual
Rec. # 2005-11b
|Scientific name:||Sterna antillarum|
|Date:||12 May 2005|
|Time:||~ 11:30 A.M.|
|Length of time observed:||15 Minutes|
|Location:||Utah Lake State Park, Provo|
|Distance to bird:||~ 250 feet|
|Optical equipment:||8 x 42 binoculars and a Kowa 20-60x 80 Scope|
|Weather:||Partly cloudy and fairly warm|
|Light Conditions:||good but not bright|
|Description: Size of bird:||About Killdeer size|
|(Description:) Basic Shape:||Slender with long pointed wings, forked tail and and long bill|
|(Description:) Overall Pattern:||White underneath, light gray above with a black cap|
|(Description:) Bill Type:||Long, slender and sharp|
Field Marks and
The head had a black cap the extended down the nape and forward only to the
forehead with a white triangle between the bill and both eyes. There were
black stripes from each eye to the bill.
The bill was mainly yellow with a black tip and some black at the base.
The tail was white and fairly deeply forked.
|Song or call & method of delivery:||None|
|Behavior:||The bird flew by us and landed on a log near a near the shore. It stayed on the log until we left.|
were they eliminated:
Forster's Tern: This turn had a complete black cap except for a white
triangle on the forehead unlike the Forster's. It was also much smaller.
(We observed both a Forster's Tern and a Caspian Tern from the same location --
there were three distinct sizes).
Common Tern: The bill was definitely yellow and not red and the belly was very white instead of gray as with the Common Tern.
this & similar species:
|I've seen the Least Tern several times in Utah.|
|References consulted:||Sibley's Guides (the big one and the western guide)|
|Description from:||memory and from the photos I took|
|Observer's address:||2795 Indian Hills Drive, Provo, UT 84604|
|Observer's e-mail address:||email@example.com|
|Other observers who independently identified this bird:||Reed Stone initially found the bird in the morning. Eric Huish and I found the bird and showed it to Bonnie and Stan Williams when they arrived.|
|Date prepared:||15 May 2005|
|Additional material:||Photos [by Eric Huish and Milt Moody]|