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69

Aramides cajauea, Sept.19, 1960, III  

Ck posture, performing frequent ck movements.

During this performance, it occasionally uttered single, soft, particularly 00 notes. Loneliness??? I doubt it. Probably reaction to me.

After a while, IV appeared to relax. Started to feed and preen, apparently normally. We left it alone for 12-15 minutes, and it remained silent throughout the whole period.

After this we put all the birds back together in their old cage.

Aramides cajauea, I           

September 21, 1960
Barro Colorado

Began observation of the birds around 1:15 p.m.

WH2 was already in isolation cage when I appeared (it had been transferred because the boys were fixing its usual cage - it may have been upset by the whole procedure). It was silent when I approached. Then ran away, silently, in pre-ck posture with occasional ck movements. Then continues to run about silently, without ck patterns. Then utters chirps when caught continues chirps while struggling in hand. Then put in [[?]] cage. Runs away silently. Ignores [[?]].

Then we did a little experimenting with the 2 chicks of the third brood. They are still in the same cage with their parents.

Both birds ran away, uttering frantic loud AlP's when we went into their cage and chased them. When we finally caught one, it continued to utter AlP's steadily. Both when struggling and when passive. Perhaps becoming a trifle louder and shrills when struggling was most intense (but they were certainly loud and shrill at all times.) Gradually, as the bird continued to be held in the hand, it stopped struggling very much and remained more or less passive all the time. At the same time, its AlP's gradually declined into