Competition between woodswallow species? & flowering eucalypts

To: chatline <>
Subject: Competition between woodswallow species? & flowering eucalypts
From: Michael Lenz <>
Date: Wed, 6 Nov 2019 07:41:15 +0000
Last week a flock of about 40 White-browed Woodswallows (WbW) was present at a site near Gundaroo, they seemed to have arrived there only recently. At least 3 pairs of Dusky Woodswallows have also been present for several weeks.

Today the WbWs were distributed in pairs right across the site. I counted a minimum of 20 pairs. However, all Dusky Woodswallows were gone. They have bred at this site for the last 11 years or so since I started regular visits. I suspect the presence of so many territorial WbWs, almost evenly distributed across the area, with very similar requirements for food and nest sites may have driven the Duskies away.

Last week I commented that flowering Yellow Boxes in the area failed to attract many insects and birds. The flowers appeared to produce little nectar. Today, the same was true for several flowering Red Boxes.

Michael Lenz
<Prev in Thread] Current Thread [Next in Thread>

The University of NSW School of Computer and Engineering takes no responsibility for the contents of this archive. It is purely a compilation of material sent by many people to the Canberra Ornithologists Group mailing list. It has not been checked for accuracy nor its content verified in any way. If you wish to get material removed from the archive or have other queries about the list contact David McDonald, list manager, phone (02) 6231 8904 or email . If you can not contact David McDonald e-mail Andrew Taylor at this address: andrewt@cse.unsw.EDU.AU