[Gpdd] BEHAVIOR: Biting cages

Luita Spangler luitad at zedat.fu-berlin.de
Fri Mar 31 07:48:55 EST 2006


Bert once chewed on the bars of his cage, but he has since learned to
use his teeth to selectively "poing" the bars. Now every morning I
awaken to a unique breakfast-demanding duet: Ernie wheeking, and Bert
going "Poing! Poing! Poing!" It's very effective.

Luita
Bert and Ernie




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