Verification of Unusual
Rec. # 2003-21
|Scientific name:||Buteo albonotatus|
|Length of time observed:||3-4 minutes|
adult (first spring?)
|Location:||Silver Reef Along sandstone cliffs just after crossing (west of) Leeds Creek|
|Distance to bird:||~ 50 m|
|Optical equipment:||10-42 binoculars|
|Weather:||partly cloudy, calm|
|Light Conditions:||bright afternoon sunlight|
|Detailed description of bird:||
Incredibly similar to a Turkey Vulture (tippy flight, wings held in dihedral,
splayed primary tips). Dark brownish black overall with pale silvery wing
linings, primaries and secondaries with fine barring visible from below, long
outstretched outer primaries. Cere and legs yellow, visible in flight.
Tail: Long dark tail, with thin pale terminal band, and one large white band visible from below. A second thinner grayish white band visible on the rump when viewed from the top. [see photos]
|Song or call & method of delivery:||silent|
|Behavior:||Soaring along face of sandstone cliffs, amazingly similar to a Turkey Vulture (tippy flight, wings held in dihedral shape)|
|Habitat:||Sandstone cliffs, transition between Pinyon-Juniper / Manzanita scrub / and lowland desert (bursage/coleogyne).|
how were they eliminated:
Turkey Vulture: a little larger, with featherless reddish head, lacking white
bands in tail and fine vermiculations in primaries and secondaries.
Common Black-Hawk: much shorter tailed and broader winged appearance, wing linings darker, longer legs/feet almost reaching end of tail.
|Previous experience with this & similar species:||I've seen Zone-tails a couple times previously in Arizona and Utah.|
|Description from:||Notes made later|
|Observer's address:||3505 West 290 North|
|Observer's e-mail address:||firstname.lastname@example.org|
observers who independently identified
|Date prepared:||June 7, 2003 (General Public)|
Photos taken with Camedia digital camera. I think this might be a first spring
bird, since it appears this hawk has
recently molted its outer primaries.