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58

Aramides cajauea, Aug. 14, 1960, III   

Then the bird ran away, silently, when I started to approach it. When I got closer, it started to utter definite AlP's. (underlined definite and AlP's), and went into a definite but apparently low intensity, possibly still unritualized or only slight ritualized, SC. Comme ca:

[[Image - drawing of bird]

Rufous (?) wing feathers just beginning to show
Legs probably just slightly flexed, at least at first.

Then utters chirps & RP when poked. Then runs away with more chirps & RP. 

Then walks around the floor, more or less undisturbed, when I leave it alone.  I noticed, however, that it tended to flex is legs a little, and crouch down a little,, in an apparently unritualized posture, whenever it was frightened by some loud sound or unexpected movement in its environment.

All this would suggest that the SC may be developing by a process of ontogenetic ritualization at this stage.