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Wednesday 
May 12.

Dump and dump lake. Arrived about 8:00 a.m. Warm. Clear. Birds mostly feeding or nesting on water. Have been watching them, particularly aerial stuff, without taking notes. Now 8:40.

Is "moaning" aerial Long Call associated with "soar" At least sometimes.

The glide call [[image 1]] is rarely, if ever, associated with aerial landing.

MC [[male symbol]] U-HF, [[female symbol]] U-T

U.U14. O1. OL16. U15. HD4. T38. PAG1 T39. HF O2.T40.
O.O4.U.U17.O5. T.T.T.T.T45. O O.O.O7.

Again glide posture
[[image 2]]

Watching lake now 9:35

[[left margin]] About 1 hr. observation for the count [[/left margin]]
 O10. U after being attacked2 OL before attack1 O11.OL17.OL18.O12.T46. O.O14.OL19.OL20. T47. U.U17. U before attack8 U after attack13 U20.O.O.O17. T.T.T50.

MC. OL - T - U - HF - T.

U after attack14 U after attack15 O.O.O.O21.T51. OL21. O.O.O.O25. U before attack9. U before attack10. OL22.O26. O23. U.U22.T52. O.O.O.O30.

Attack Call is "Ka-Ka-Ka-Ka-Ka ....." 9:58

The female is much more likely to T during M.C. than the male

Transcription Notes:
[[image 1: sketch of pattern of glide call]] [[image 2: sketch of bird in glide pattern]] Numbers after observations: noted in pencil above observation letters