Daniel Klem wrote:
Dear Colleagues and All Others Interested in Bird Conservation:
I am an ornithologist who has studied the hazardous effects of glass
on birds for over 25 years. Fundamentally, birds simply do not see glass
as a barrier and frequently injure or kill themselves striking window
panes in homes and other buildings. I have for some time been
conducting a world survey on what bird species have been seen striking
glass,
and I write now to request you share with me any records you might
posses
of bird-glass collisions.
Well actually, we have a different situation, where a pair of peewees
have been constantly attacking one of our windows - they can see their
reflection and keep flying feet first at the window. Both sexes seem to
do it, and they set up a pattern where they shuttle to-and-from the
clothes line. They do a reasonable job of thumping the window and
sometimes leave "skid" marks.
As for birds killing themselves, a graceful honeyeater did that while I
was staying at a place near Cairns in December.
Regards, Laurie.
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