Field notes, v1377
Page 249
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
117 Anna's Hummingbird R.E. Johnson 1967 March 4 Strawberry Canyon, Alameda Co., Calif. Sunny, warm, south facing oak-grassland (cont.) No flowers anywhere near defended area. A few poppies were seen 1/2 mile away. Hummer would hover & move about among limbs of oak, coyote bush, & poison oak as if looking for insects, but no feeding was observed. It perched several times within 5 ft feet of our Zoo107 party of 8, usually it faced away from us. It was seen to wipe its bill on a branch, & to preen its Rt. wing. The hummer also used the afore mentioned perch next to the taller poison oak on two more occasions indicating a definite preference for that perch & apparent aversion to poison oak. A scrub jay lit on another of the hummers favorite perches while the hummer was on it. The hummer left immediately, flying to a new perch 20 ft. away and instantly began singing (had been silent previously). Perches are located above surrounding vegetation & range from 6 to 16 ft. above the ground.