Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Gymnoops californianus
April 3, 1946 San Diego (200), C.A.F.
habitually carry the wings a little out from the body. The loose skin at below the is of course much greater than in G., hanging down 2-3 inches and flopping around with each head movement. Imm. did not have this. One reason for the S.A. success of V. over G. is that V. is a better flier in tight places & better as at scrambling up the rocks (judging from zoo birds).
Bill gaping - probably used for young yaw, belch (?), panting, & apparently often preliminary to takeoff takeoff. O' was quite above the furry white goruff & had a V of skin about 1" long on neck in line with ruff on dorsal surface.
By I watched until 10 m., then visited Mrs. Belle Benchley, director of the zoo. She said that the Andean Condors had laid an egg in 1942 and 1945. Both times the egg was broken by the birds & a second laid & hatched. The nest was a cavity in the large flying cage on level ground. These caves were built of rough cement blocks & this one contained a log. The entrance was hidden from view of persons outside the cage. The first egg hatched on July 8, 1946 1942, 52-57 days after it was found by Carl Koch, the bird