Image: Sand Martin Colony, Whisby Nature Park - geograph.org.uk - 684285
Description: Sand Martin Colony, Whisby Nature Park. This sandbank has been occupied by sand martins since before the nature park was established. Their nest holes are easily visible in this shot. Today was slightly early in the season to spot any as they are on vacation in Africa at this time of year. Before the birds return, the nature reserve staff scrape away a new face of sand for the birds to burrow in as the winter weather erodes the previous season's nest holes.
Title: Sand Martin Colony, Whisby Nature Park - geograph.org.uk - 684285
Credit: From geograph.org.uk
Author: Ian Paterson
Usage Terms: Creative Commons Attribution-Share Alike 2.0
License: CC BY-SA 2.0
License Link: https://creativecommons.org/licenses/by-sa/2.0
Attribution Required?: Yes
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