Field notes, v1364
Page 217
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Howell, T.R. 1948 Sphyrapicus varius daggetti 8mi. N. and 13mi. W. of Canby, 4700 ft. Modoc Co., Calif. May 22- The day dawned completely clear and not very cold - at least above 32° F. I spent from 8:00 to 11:00 (both A.M.) in the same place described previously in this species account. I located one sapsucker by its scream (it is too loud to be just a "note"), and saw it hitch up to the top of a dead tree and then fly off. Shortly afterward I heard and saw one drumming on a small branch in the top of another dead tree. [The drumming goes essentially like this: B-r-r-r-r-rap-rap, rap- r-ap-rap. There is some variation, of course, but unless otherwise noted, "drumming" will refer to this or a very similar sound.] This drumming was repeated once or twice and then was answered by another bird in a dead tree about 20 yds away. The drumming and replying went on several times, and then a third sapsucker screamed from about 50-75 yds away. One of the birds I was watching flew off, and was followed by the other. Then drumming recommenced about 100 yds away. When I caught sight of them again, all three birds were together and went off chasing each other about through the trees, screaming intermittently. Once I got a glimpse of the three in a dead tree; one was perched lengthwise on a limb, and was bobbing