|To:||Philip Veerman <>|
|From:||Filipio Gwynne <>|
|Date:||Sun, 13 May 2018 12:47:25 +0000|
Thanks Philip. I recall reading a detailed review article several years ago which concluded that the evidence for various hypotheses concerning the usefulness of avian vocal mimicry was actually pretty scant, certainly far from conclusive in any direction. Nonetheless, I retained an impression from somewhere that the sexual selection explanation may have been on somewhat firmer ground in relation to Bowerbirds (Satin in particular) -- i.e. males being favoured by the size and/or novelty of the repertoire they use in display.
So, it seems no easy give-away for the sex of this bird or others like it that visit my garden in the period before the male's bill starts to become pale.
On Sat, May 12, 2018 at 6:07 PM, Philip Veerman <> wrote:
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