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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Condor Food
Thinking
California Condor
Eben Mcmillan
26 September 1963
Probably when, within the range of condor, their food supply is
somewhat limited, and scattered over a wide area of this range, condor
maintain a more healthful situation as well as being safeguarded
somewhat against enemy attack. When condor feed in a group it
seems that the group decides to leave before some of the condor have
completely satisfied their appetite. In these group gatherings the
strong and competitive birds feed first then leave the area. The other
less fortunate condor seem anxious to remain with the flock and
due to this will, at times, lead to condor leaving a carcass to join the
flock before they satisfy their hunger. When food is scattered well over
the condor range birds do not flock so much. Another item in favor of
condor scattering out to feed is their maintenance of a thorough
knowledge of their range. Should a situation arise, at any time, where
food for condor could become scarce, the fact that condor had intimate
knowledge of their total range could be very much in their favor.
One more factor that might be important in the welfare of condor,
in relation to their food, would be that should numbers of condor gather
near condor nesting areas to feed, while parent condor are feeding young, it
could work a hardship on those parent condor in the event most, or all,
of the available food is used by non-nesting condor.