"Birding Aus" <>
Satin Bowerbird Mimicry
"Kurtis Lindsay" <>
Wed, 18 Jun 2008 15:55:02 +1000
I have been watching a juvenile Satin Bowerbird which has been sitting in a
eucalypt in my backyard for the past twenty minutes.
The interesting thing about this bowerbird is, despite uttering the usual satin
bowerbird calls (the odd 'mechanical' buzzing, chattering and scolding) it is
mimicing the calls of one other bird, the Yellow-tailed Black Cockatoo.
YTBC's aren't very common around my place, but bowerbirds are. The thing I find
unusual though is how this bird is only mimicing one other species (it is doing
a pretty good job of it too).
The rendition involves the complete 'advertising call' of the Yellow-tailed
Black Cockatoo (the call they use in flight - "wheeeeeelya"), along with the
softer calls YTBC's use while feeding, and I'm pretty sure I can even hear an
imitation of the 'cracking' sounds YTBC's make when they're feeding on Banksia
pods or Pine Cones.
Perhaps this young Bowerbird is having identity issues and is striving to
become a Yellow-tailed Black Cockatoo! :)
Just then a group of Noisy Miners flew in to mob the imposter and drive it
away. They failed!
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