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July 10 IV

Some near birds back 4:17

Definitely chicks attacked mostly on nape
 
[[left margin]] !!! [[/left margin]] Boundary dispute. One bird ch- is attacked -ch- attacks. Other bird ch-cc- attacks -ch- is attacked. They separate after the last melee. 

Ch definitely mingled with M.

[[left margin]] !!! [[/left margin]] Tail spread during ch, off and on. Sometimes above wing-tips.

[[left margin]] !! [[/left margin]] Another example of long-distance boundary disputing involving ch. Bird does Ch-O-L-Ch-O-L-Ch

[[image]] front top view of some ch. Shows spreading of wings and raising of tail.

In none of these cases has a mate been obviously present.

The bird in front still haven't come back 4:30. Now back 4:35, but no sign of chicks.

[[left margin]] !!!! [[/left margin]] Another dispute. Less aggressive bird does not Ch, although the more aggressive one does it also. Then the less aggressive one becomes more so. Does CC before attack. Ch after attack.

[[left margin]] !! [[/left margin]] This bird, male, joined by female in midst of dispute showed tendency to overstate his choking toward her. 

Like attiulla
[[2 images]] 
angles of ch.