Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1977
Rough-legged Hawk
Buteo lagopus
Nov.19 Bolinas Lagoon, Marin Co., Calif: 1 (ad.) ~ 1 mi. N.of lagoon on
Hwy 1 - tail band broken into smaller bands, no belly band,
upper chest streaked.
Pt. Reyes, Marin Co., Calif: 4
Nov.25 San Bernardino Mountains, San Bernardino Co., Calif: 3 - 2 at
Baldwin Lake, 1 at Big Bear Lake. The latter was a very
atypical bird - upperparts were mostly brownish like Red-tail;
upperside of tail was all brownish as in young Red-tail - only
a little white flecking at base of tail; underside of tail was
whitish - no dark terminal band; underparts were mottled
and streaked brownish; underwings were brownish but with
whitish areas in bases of primaries which contrasted strongly
with striking black wrist marks. It was identified as this
species mainly on shape and proportions - long, rectangular
wings, long tail, small head with very small bill - studied for
5 minutes at close range from below.
Dec.11 Hwy 58, Esmeralda Co., Nevada: 1 - open desert on tel. pole.
Dec.18 Hwy 1, Mendocino Co., Calif: 2 - Garcia R.
Dec.19 Lake Earl, Del Norte Co., Calif: 2
Dec.23 Victoria Is., San Joaquin Co., Calif: 1
Sandy Mush Rd., Merced Co., Calif: 1
Mendota St. Wildlife Area, Fresno Co., Calif: 1
Dec.28 LaMeview area, Riverside Co., Calif: 1
Lake Hemet, Riverside Co., Calif: 1