Viewing page 657 of 751

This transcription has been completed. Contact us with corrections.

(?)           Sept. 24,m 1960, II.    71

different from the behavior of the young bird caught on Sept. 21). When it started to utter AlP's and/or chirps as it started to struggle again. Then silent again. Then silent again as it became passive again. No clucks at any time. (This sentence is underlined).
  Then we let the bird run around the floor of my house. It ran around and crouched (unritualized) in a dark corner just like the bird on Sept. 17.  Repeatedly. Silent all the while.
  When we put it back in its cage, it immediately rushed over to its sibling. No greeting by either bird.
  Then we went down to the cage of WH2. Silent when we approached. Then ran away silently. (I presume that WH2 remains silent in such circumstances because it is less tame(?) than the chicks of the first clutch.)
  Then we caught it. It uttered very shrill loud chirps. (still not squawks) at the moment of being caught, as it struggled. Then went passive almost immediately and began to utter rapid clucks ___ ___ ___ ___ ___ __ ___ ___ ___..... Bill open during clucks (panting?)accompanied by the usual throat movements.
  Then we went over to the cage of the birds of the first cluck. One bird uttered 00 notes in SC, as "greeting." The other 3 just ran away silently. Getting shyer?

 (?)            I.    September 27, 1960
                      Barro Colorado

  Did some more experimenting with chicks, around 2:00 p.m.
  Began with WH2. Silent when first approached.  Silent when chased. Silent when first caught. Then starts clucks when passive in hand, after being (?) for some time.