re Tooth-billed Bowerbird mimcry
The Tooth-bills mimic all kinds of environmental sounds and their song
becomes more complex as the season continues. They can remember favouites
sounds from one season to the next and use them before they have a chane to
hear them. Cicadas are a case in point here. Tooth-bills often mimic Bower's
Shrike-thrush but don't quite get it right.
Bower's Shrike Thrush on the other hand while not so much into mimicry can
do a better job.
Once, at the same birds Phil was visiting, I was listening to a Tooth-bill
doing a Shrike-thrush rendition when I heard a Tooth-bill behind me. As
there had not been a court in that direction in the 25 years I had been
visiting, my interest was aroused. Out popped a Bower's Shrike-thrush.
Graham Harrington has had a Bower's Shrike-thrush mimic the mimicry of its
own call as done by a Tooth-bill.
Regards,
Alan Gillanders
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