General birdwatching discussion, help with bird identification, and all other things relating to wild birds and birding in NZ that don't fit in one of the other forums.
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- Joined: Fri Jul 03, 2009 3:19 pm
The key point here is that such 'sunbathing' birds are using phototherapy to kill mites (sunlight kills mites). I understand that the addition of ants stirs up the mites, thereby increasing their exposure to sunlight.