I am not aware of Brown Falcons using tree hollows. Hopefully someone
else can give you a full answer. I have seen Nankeen Kestrels in
Broome use a tree hollow.
_________________________________________________________________
Frank O’Connor Birding WA
birdingwa.iinet.net.au
Phone : (08) 9386 5694 Email : foconnor@iinet.net.au
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