Osprey polygyny

To: <>
Subject: Osprey polygyny
From: "Greg Clancy" <>
Date: Fri, 18 Jul 2003 11:10:03 +1000
Brian Everingham's observations of a male Osprey mating with two females at Bongil Bongil is very interesting.  In over twenty years observation of the species I have not recorded this behaviour.  It is discussed in Alan Poole's monograph 'Ospreys -  a natural and unnatural history' on page 97.  Secondary females rarely hatched eggs as they had to hunt for themselves.
It would be good if someone could support Brian's observations by confirming that both nests were indeed those of Ospreys. 
Greg Clancy
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