Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Mayhew
1947
May 23
Western Robin
31.
U.C. campus, Alameda Co., Calif.
Then the ♀ sat on the west edge of the
nest while the youngsters kept pushing
against her breast with their heads. She
is sitting on the edge of the nest in
such a way that her breast extends
well into the nest. The youngsters are
still having trouble with that worm, because
the ♀ now has one end of it in her bill.
Now it is disposed, and all is quiet. At
8:25 A.M. the ♀ left the nest, flying to
the north-west. At 8:30 A.M. the ♂ landed
in a branch of the tree about 5 feet from
the nest. In a moment, he flew to the
nest, fed one youngster, picked up an
excretion pellet, + flew with it in his
bill, to the north-west. At 8:32 A.M. the
♀ arrived on the west edge of the nest,
fed one youngster, + departed to the north.
Now the head of one of the youngsters is hanging
over the edge of the nest. At 8:36 A.M. the ♂
flew to the nest + fed one youngster. He
then dropped to the lawn about 10 feet
from the trunk of the tree. From there,
he began to search for worms on the lawn.
At 8:38 A.M. the ♀ returned, fed one youngster,
+ flew low to the west. This time only two
of the youngsters stretched their heads up +
opened their bills for food. As soon as one
of them received the food, the other one
closed his mouth. The one that was fed,