Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1973
Annas Hummingbird
Calypte anna
July 3 373 Gravat Dr. Berkeley, Alameda Co, Calif: numerous ad. and
imm. at feeder; females scarce (S)
July 4 373 Gravat: 50-100 mostly ad. , Imm. singing imperfect song
(S)
July 5 373 Gravat: still very abundant. Imm. singing again. (S)
July 7 373 Gravat: 50+ at feeder
July 8 373 Gravat: " (S)
July 9 373 Gravat: " (S)
July 10 373 Gravat: outnumber Selasphorus 10:1 at feeder, (S)
July 11 373 Gravat: 50+ at feeder (S). imm. giving squealy song
July 12 373 Gravat "
July 13 373 Gravat
July 14 Alta, Placer Co, Calif: 1 (S)
Salmon Falls Rd, El Dorado Co, Calif: 2 (S)
Lucas Valley Rd, Marin Co, Calif: 1 n 3500'
July 15 373 Gravat: 50+ at feeder (S)
July 16 373 Gravat " (S)
July 17 373 Gravat " (S) Outnumber Selasphorus 40-50:1
Fourteen were captured with an insect net, marked with orange
on breast and released. One had a bright yellow culmen
for the basal 1/3 of the length - accumulation of pollen.
July 18 373 Gravat 50+ at feeder
July 19 UC Botanical Gardens, Strawberry Canyon, Alameda Co, Calif: 10 Each
bird was defending one-three small Fuschia bushes
373 Gravat: 50+ at feeder; only one marked bird seen in 15 min
July 20 373 Gravat "
July 23 Mt. Pinos Way, Frazier Park, Kern Co, Calif: 1 imm. in combat with
imm. Costals on chaparral hillside (S)
McGill Campground, Mt. Pinos, Kern Co., Calif: 3 (S)
July 24 373 Gravat: 50+ at feeder (S)
July 25 373 Gravat " (S)
July 26 373 Gravat " (S)
July 27 373 Gravat " (S)
July 28 Diablo Ranch, Mt. Diablo, Contra Costa Co, Calif: 1 ad. on study site