Broad-winged Hawk

Buteo platypterus

ML96084281



eBird Checklist S44863838
Sevenmile Creek--Prickly Pear Land Trust (restricted access)
Lewis and Clark, Montana, United States
Search this location, Illustrated Checklist
Latitude and Longitude 46.6399, -112.0994 Map

Age
Adult
Sex
Unknown
Behaviors
Breeding
Tags

Media notes

Observation details

At 1241 I spotted a Buteo distant and high E or ENE of me, circling over the hills N of the stream, apparently on a thermal (while I was between the rocky draw and the diversion). Relatively pointy wings; agile; not big enough or heavy enough for a GOEA but with underwing color pattern like TUVU or GOEA with dark underwing coverts and lighter (grayer?) flight feathers. Not much if any dihedral. Shape, flight style, and color immediately stood out to me as something different. Thought I maybe glimpsed some white on the tail above as it turned. After circling for a few minutes and getting even higher, it glided N a short distance and began circling again near another Buteo, both so high and distant that I lost sight of them there (NE of me). Last seen at 1244. I was able to get some photos before it disappeared; they show a distinct, broad transverse white band running through the tail ventrally (and also dorsally?), pointing solidly towards BWHA. This plus the dark trailing edge of the wing point to an adult. From this sighting it seems likely that this bird was in active migration.

Technical Information

Model
COOLPIX P900
f-stop
f/5.6
Focal length
178 mm
Shutter speed
1/800 sec
ISO
100
Flash
Flash did not fire, auto
Original file size
203KB
Dimensions
1707 x 1374

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