Hi Gordon, I've seen it regularly in New Holland Honeyeaters and Australian
Magpies around my place. Both species live in groups, so I'd hypothesised that
it was a case of mobbing 'outsider' individuals from other groups. A potential
alternate hypothesis could be that it is a method of maintaining social
hierarchy within the group - a way of keeping subordinates in their place if
they get ideas above their station! Note though that these are just my
theories..... Cheers,John
> Date: Sat, 13 Apr 2013 13:28:23 +1000
> From:
> To:
> Subject: [Birding-Aus] Noisy miners mobbing one of their own
>
> Just stepped outside to see what I suspected I heard -- noisy miners
> mobbing one of their own. I've seen this frequesntly over the years.
>
> I presume this is not confined only to this one species, though I've
> never seen it amongst other birds.
>
> Why do they do it?
>
> Cheers
> Gordon Cain
> Schofields, NW Sydney
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