Verification of Unusual Sight Record
For Utah

Rec. # 2006-49

Common name:

Broad-winged Hawk

Scientific name: Buteo platypterus
Date: 9/23/06
Time: throughout the day
Length of time observed: several minutes
Number: 6
Age: 4 adults and 2 juveniles
Sex: unknown
Location: Grandeur Peak
County: Salt lake
Distance to bird: unknown
Optical equipment: Zeiss 7x45 binoculars
Weather: clear, sunny, about 70 degrees
Light Conditions: bright
Description:        Size of bird: unknown in flight
(Description:)       Basic Shape: stocky/heavy bodied with pointed wingtips
(Description:)  Overall Pattern: brown on top, buff below
(Description:)            Bill Type: couldn't see
Field Marks and
Identifying Characteristics:
Juveniles are pale below with streaking on the sides of breast and relatively unmarked underwings. Juveniles are brownish on top with pale uppertail coverts and pale mottling along upperwings. The tail bands are often indistinct but dark band towards the tip is bolder
than the rest of tail.

Adults have pale, barred rufous chests, white bellies, 2 or 3 bold black and white tail bands of equal widths, and a dark border along the trailing edge of the wings. Adults are dark brown on top with a grayish cast to the remiges, and distinct black and white tail bands.

Broad-winged Hawks are stocky similar to accipiters but show broader wings with sharply pointed wingtips, stockier heads and bodies, and shorter tails.
(see photos)
Song or call & method of delivery:  
Behavior: soaring and gliding
Similar species and how
were they eliminated:
Previous experience with
this & similar species:
extensive, author of "Hawks From Every Angle"
References consulted: None
Description from: From memory
Observer: Jerry Liguori
Observer's address: 3055 Plateau Dr
Observer's e-mail address:
Other observers who independently identified this bird: Sherry Liguori
Date prepared: 9/28/06
Additional material: Photos
Additional comments: Only 2 were photographed but all were seen well