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66

Aramides cajauea, Sept. 17,1960, II          

bill, with each note. All the chicks were uttered with the bill closed. But each chick was accompanied by a conspicuous swelling of the feathered chin region. (the swelling subsided between notes).

WH2 is almost or completely full grown now. It's legs are quite pinkish (although still dull), but its bill is still almost completely blackish. (2 of its toes are slightly deformed, but this doesn't seem to impede its running or walking ability.)

Aramides cajauea, I.       

September 18, 1960
Barro Colorado

When I approached the cage of the first brood this afternoon, they all responded by uttering 00 notes.  Both with and without SC's. All their 00 notes were bi-syllabic "Ooo-aah." One or more of the birds also uttered some urgent-sounding notes. They sounded very much like the AlP's of younger birds - although I suppose they should be classified as modified squawks now.

I have been leaving the chicks of the third brood strictly above with their parents. One of them disappeared the day after hatching, but the other two seem to be flourishing.

The only display of these chicks I have noted in LC Notes. They (?) LC notes when separated from the parents; and some of their LC Notes are quite remarkably loud and penetrating!

Aramides cajauea, I.              

September 17, 1960
Barro Colorado

Did a little work with the birds of the first brood this afternoon.