Mixed feeding groups

To: Richard Boon <>
Subject: Mixed feeding groups
From: Sonja Ross <>
Date: Wed, 16 Mar 2016 01:37:55 +0000
Thanks, Richard.

It's interesting to hear what happens in relation to this in another part
of the world.  We certainly heard Drongos at times with groups in Sri Lanka
too.  They're a northern species in Australia so I don't know if they're
involved here as I live in the south.



On 16 March 2016 at 04:29, Richard Boon <> wrote:

> Interesting question
> I would have liked more time to check the literature, but instead here is a
> personal view.
> In the coastal forests of eastern South Africa the Square-tailed Drongo
> (Dicrurus ludwigii) leads bird parties. They are early risers and seem to
> call until they attract a regular set of species. Dark-backed Weaver and
> Terrestrial Brownbul are almost always there. Then the party moves slowly
> through the forest. The Drongos are very sharp and quickly spot and
> fiercely mob small accipiters that might appear. In return they seem to be
> after any flying insects disturbed by gleaners. This is more often observed
> in winter than summer.
> Fork-tailed Drongo probably plays a similar role in woodlands.
> Not sure if this is published.
> Regards
> Richard Boon
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