Starlings debating society?

A flock of starlings congregate in the sloe bushes on the way down to the river and keep up a continuous twittering, whistling and chattering for about a couple of hours in the middle of the day.  Can some bird expert explain why they do this?  Is it just to be sociable and perhaps form a bond within the flock?  Are they staking claims to nesting sites in advance of the next breeding season?  Is there some survival benefit I have not thought of?

Comments

  • Probably as you say bond forming. Although some would argue they could be exchanging info on good feeding sites, in reality such communication is probably behavioural - those that know good sites may leave roost more purposefully and the rest just follow. Birds of a feather....
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