Hybrid corellas

To: "Bird List" <>
Subject: Hybrid corellas
From: "David Rosalky" <>
Date: Sun, 9 Aug 2009 18:04:43 +1000
On the playing fields of Forrest Primary school there is often a large flock of Sulphur-crested Cockatoos.  Today there were about 30+.  But amongst them were four corellas that had the colouration of Long-billed Corellas, and sure enough (when they deigned to remove their bills from the grass roots), I could verify that the bills were long - except for one which had a bill much more of the length of a Little Corella.  So at least that one, and possibly some or all of the others, was probably a hybrid, as reported before by Tobias amongst others.  None of them had a bill length as long as depicted in the various field guides for LBCs.  All hybrids?
David Rosalky
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