No surprise nothing happening at Greenlawn Dam; osprey on nest
(w/companion nesting house sparrows), also another osprey at Haul Rd,
where owlets seem to have decamped; one eagle on the nest;
a couple of red-br mergansers and a pod of pb grebes. No YC
night-herons; looks like the memory of this decades-long nesting may
fade, along with the equally lengthy winter roost of their black-crowned
cousins on the campus. We visited the Shrum Mound site, and found 40+
great blue herons and 60+ cormorants, and only ONE great egret. Cousins
like green herons are a lot less communal, so it's harder to tell for
them.  This adds up to a very late, or even missing, showing of Ardeidae
here this year. Columbus has been an outlying spot for odd nestings in
this family, but maybe the party is over...
Bill Whan
Cols

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