Gulls over Sydney Harbour Bridge at night

["Rosemary Royle" <>]

Re "Do gulls ever catch flying insects" :

In the UK Black Headed Gulls, which are about the same size as Silver Gulls, 
routinely feed on swarms of flying ants when they emerge from their nests in 
early August. The ants are only quite small but presumably worth catching - the 
gulls go in for some splendid aerobatics to catch them. You see them circling 
around in dense flocks in much the same way as described for SIlver Gulls in 
this thread.

Rosemary Royle
Wales UK
==============================www.birding-aus.org
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