Verification of Unusual Sight Record
For Utah

Rec. # 2014-0

Common name:

Long-tailed Jaeger

Scientific name: Steer ovaries longicaudus  [Stercorarius longicaudus]
Date: 9-26-2014
Time: 6:30 pm
Length of time observed: 45 minutes
Number: 1
Age: Intermediate Juvenile
Sex: Unknown
Location: Antelope Island Causeway
County: Davis
Elevation: 4200
Distance to bird: 25 yards
Optical equipment: Vortex HD spotter, Pentax Binos, Canon sx50 hs Camera
Weather: Mostly cloudy
Light Conditions: Less than ideal
Description:        Size of bird: 15"-16"
(Description:)       Basic Shape: Larus-ish
(Description:)  Overall Pattern: Gray
(Description:)            Bill Type: Jaeger/shearwater
Field Marks and
Identifying Characteristics:
Black-gray tones, heavy and even barring on undertail, short gray bill with extensive black tip, start of dark hood which seemed to drop below gape, white feather tips, tail feathers appeared pointed and not tapered. Size was seen against nearby Eared Grebes.
(see photos)
Song or call & method of delivery: N/A
Behavior: Swimming. Seen flying in a tern-like fashion by others.
Habitat: Salt water.
Similar species and how
were they eliminated:
Parasitic Jaeger- white tipped feathers instead of buffy or rust, heavy even barring on undertail instead of thin broken barring, Bill length was short, dark hood seemed to drop below gape.
POJA- overall size and some of the same features listed above for PAJA.
Previous experience with
this & similar species:
Have some experience with PAJA but none with LTJA or POJA.
References consulted: Sibley's, Internet, other birders with extensive pelagic experience.
Description from: Notes taken at the time of the sighting
Observer: Mike Hearell
Observer's address: 173 W 1825 N, North Ogden, UT
Observer's e-mail address: **
Other observers who independently identified this bird: Weston Smith, Billy Fenimore, Taylor Abbott, Matt Pendelton, Shyloh Robinson
Date prepared: 9-26-2014
Additional material: Photos