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30

Aramides cajauea, July 12, 1960, II  

when I looked into the box. I immediately retreated and left the bird alone again. It then began to utter a series of notes, each note apparently intermediate between a typical PP note and a typical LC note.

Then I started to talk to the animal. It uttered 1 chirp and assumed an SC posture when I first began to talk, but then came out of the posture and uttered a few single undistinctive peeps as I continued talking. I retreated again after a few seconds.

The bird then tried jumping out of the box. Repeatedly. This jumping was accompanied by sharp chirp-like single peeps. Possibly a form of, or related to, AlP's (see below)???

Then the animal stopped jumping and stood quietly for (?) minutes, at which time it began to utter quite typical LC notes.

Then the animal repeated the whole performance, jumping with chirp-like peeps and standing with LC notes, once. Then started jumping again, this time silently.

I finally put my hand into the box. The bird responded by assuming an extreme crouch posture "XC". When the bird first went into the XC, it uttered a whole series of chirps. These gradually changed into AlP's. The intergradation between chirps and AlP's was so perfect as to suggest that the AlP notes are little or nothing more than intermediates between typical chirps and typical undistinctive P notes.

I then picked the bird up and handled it rather roughly.  It uttered chirps, AlP's, and undistinctive P's during this handling.

Then I put the bird down on the floor, outside the box. It stood