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May 31  IV 1954

Gull attacking something on ground. Repeated Swoops and [[rues?]] (with beating wings) Peculiar call - rather intermediate between Attack and Charge call [[image 1]]

Might be transcribed, at best, as "Kh-kh-kh-ksauh etc". Had rather plaintive quality like the charge call. 10:02.
  
My drawing, incidentally,is true for posture at top of the "attack ride".
  
Posture at top of "charge soar"
[image 2]]

[[left margin]] *7 ✓✓ [[/left margin]] MC. at C. Male does U1-T1-HF1-O1-T2-HF2-U2-HF3-T3-T4-U3. Female does U1-HF1-U2.- flies off. Male does OL-T-flight after she goes. 10:14.
  
[[left margin]] !! [[/left margin]] Bill open during Glide Calls. Almost as much, at least, as I have drawn it.
 
Male DC standing giving repeated & numerous Charge Call Notes. In posture comme ca.
[[image 3]] or
  
Interrupted by several PAG or preening movements - not very strained. Then OL - completely relaxed preening. Can't see the object of his attention. Probably "DC female", a few feet away. If so she's taking it very calmly. In fact, she isn't responding at all. 10:29.
  
Certainly it is getting no warmer - fast. A little light rain starting.  Leaving 10:40.

Transcription Notes:
[[image 1: sketch of call pattern]] [[image 2: sketch of bird in flight]] [[image 3: sketch of 2 birds showing postures]]