birding-aus

RE: gurgitation

To: Pat OMalley <>
Subject: RE: gurgitation
From: Keith Brandwood <>
Date: Tue, 01 Sep 2009 17:49:30 +1000
Pat OMalley wrote:
The mention of Papuan Frogmouth regurgitating raises a question about
which birds do routinely use this as a means of sorting the chaff from
the grain, so to speak.
Obviously owls cough up pellets, and when in Japan I notice several
Japanese Crows coughing up the carapaces of cicadas they had eaten.
Is it only predatory species that do this, and is it all predatory
birds? Are there also species that routinely puke up indigestible
vegetable matter?

Cheers

Pat
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Ive seen Currawongs and Mangrove Kingfisher regurgitate.
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