Blackbirds versus Bassian Thrushes

To:	"Birding-aus" <>
Subject:	Blackbirds versus Bassian Thrushes
From:	"Rotamah Island Bird Observatory" <>
Date:	Wed, 27 Sep 2000 15:34:08 +1000

On Rotamah Island, Blackbirds and Bassian Thrushes occur together in
identical habitats.  Both are moderately common in the Monotoca elliptica
heath scrub which covers much of the island.  This habitat is mostly
regrowth during the last 30 years but does not have any notable weeds or
other disturbance.

This is probably an unusually dry habitat for Bassians and an unusually
natural habitat for Blackbirds.  Whether the Blackbirds are displacing the
thrushes is difficult to tell, it may be the other way as Blackbird numbers
appear to have decreased here over the last ten years.

Craig Doolan


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