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[[underline]] Chachalaca [[/underline]] (1)
April 20, 1963
Bano Colorado

Three young Chachalacas hatched in captivity March 31. One died. Leaving 2. Left with parents. One very vigorous now. The other seems weak and very shy. Taking it out of cage of parents. Putting it alone in small cage in animal house 9:30 am.

Utters lots of loud, single but repeated, "Treet" Notes. With metallic + nasal quality. Both when running about and when sitting down, neck up, looking alarmed. Here notes seem to be alarm. Increase in frequency when a human being approaches. Decrease when human being goes further away.

Now 9:40. Bird just sitting quietly. Neck relaxed. Then start uttering same notes again. Neck goes up as soon as notes begin. Then bird shuts up. Neck relaxes. Then starts again. Neck goes up immediately. Then quiet again. Neck relaxes again. Etc. Etc.