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Ring-bill. April 12, 1955 

III

[All three MC were followed by pecking at the ground, (feeding & feeding int. movs. ?), by both birds, and by preening, (apparently relaxed), by both birds] 12:55.

9. [[checkmark]]

[[female symbol]] M.C. [[male symbol]] 1. Mutual U-HF-U. [[female symbol]] flies off circles, lands, feeds (some distance away from any other birds), flies off, lands beside [[male symbol]] 2. MC. [[male symbol]] HD-OT-U-HF-U. [[female symbol]] T-HD-OT-U-T-T-U-HF-U.[[female symbol]] flies off. circles Lands beside [[male symbol]] 1. M.C. Mutual HD-OT-U-HF. [[female symbol]] flies off. Lands at a new place starts to feed. [[male symbol]] 1 joins her. MC. [[male symbol]] M. [[female symbol]] nothing 1:10.

10. [[checkmark]] 11. [[checkmark]] 12. [[checkmark]] ]]

Have heard and seen lots of birds giving LCN in air. Haven't heard any complete TCP, or seen any really distinctive postures. Aerial LCN may be accompanied by some slight forward stretching of the neck, (or even upward and forward stretching), but I am not sure of this. No sign of pursuit flights.

[T. HD-OT. OT. HD-OT. OT. O-O-O-O-HD-OT. O-HD-OT. O-O-O-O-O-O-O. HD-OT. T. OT. OT.

1 
U before attack - bird in U attacked - U after attack - U after being attacked C-HD-OT before attack - U after being attacked M-O-HD-OT. O. O.  PG before attack. HD-OT.

Typical Landing Call. [[image - descending series of lines, representing a series of call notes]] Lots of these short harsh notes at the end.

Have heard it quite a bit; but it is by no means inevitable - in these circumstances at least.  It was not, for instance, uttered by the landing birds during the MC's noted previously

13. [[checkmark]] [[female symbol]] visits one male.  I didn't catch all the M.C.  Then flies on to second [[male symbol]]  M.C. of [mutual U-HF-U [[male symbol]] flies off  Circles.  Return