Hi Alastair,
Ah fair point, their calls are variable. However
the issue is that someone has heard something that may fit the type of calls. So
the point is, if it isn't them, then what is it. So the issue becomes more about
what else it could be than what range of calls does the Barking Owl do. If there
are other species about, that also sound like Barking Owls, (like dogs), then
could the sound have been dogs or something else. We know there are Boobooks
there but I would be satisfied that someone can say this was something
different. If Boobooks indulged in mimicry or a range of sounds that includes
the type of sounds of Barking Owls, then we can be less excited about the possibility of a barking owl in our midst. As
then it would be more likely to be something else. But they
don't...........
It would need more evidence
though.
Philip
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