Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Fulica americana
478
June 5 jewel lake 510ft. Contra Costa Co. Calif.
of the older pattern. The ♂ moving around T 9 saw the ♀ at H 5, and moved S towards here, in a charge, as he came up to her he started his Coughing, she braced and moved away ahead of him, trying to avoid him. He finally got to her, she dived to escape, and he moved on into the cat-tails at T 5.
Finally today -- I finally recognized that the alarm note given by the ♂ is not a "pults" as I had previously
pattern of the oldest yng - hatched April 26 or maybe a day or so earlier.
between
believed but rather is an explosive note, probably the "pulque" note referred to by Dawison in Birdsf Calif. (p.). When given the head is jerked downward, probably to give added emphasis. In the usual "pults" there is no movement of the head, nor is the noticeably open which again is the case with this alarm note. I have heard it many times before but had failed to recognize it as something apart and distinct. The nest at N 25.24 has 5 eggs in it, all cold. They warmth yesterday may have been the result of sun, and incubatio. has not really begun yet. Found turtles actually using the