canberrabirds

thornbills and cuckoos - some questions

To: COG list <>
Subject: thornbills and cuckoos - some questions
From: Con Boekel <>
Date: Sun, 16 Sep 2007 17:49:58 +1000
Today I observed (dy) for two sets of Brown Thornbills and once for a pair of Striated Thornbills. This raised some questions - are the thornbills unusually early, and, if so, will the cuckoos miss out? Another question - what is the competitive advantage for birds to raise a cuckoo in the nest? Why don't they simply let the cuckoo die?
Con

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