Tuesday, December 16, 2014

Marsh Harrier

Marsh Harrier, Burwell Fen, 14th December 2014 © Geoff Harries
'....the marsh harrier picking up what appeared to be balls of dead material, I have spoken to Doug (Radford) and he is not sure what this is. Any ideas?' GH
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1 comment:

  1. James Hanlon8:35 AM

    Geoff, this is probably 'play prey' behaviour. There was a note in October's British Birds on last year's Northern harrier doing it, seems to be a sort of training exercise. Regards James H

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