Two great crested grebes fight on a reservoir over the affections of an onlooking female. The lone male provoked the courting pair by continually calling and approaching them, before the paired male attacked the intruder.

The aggressive battle lasted around 20 seconds before the solo male retreated to the other side of the water - uninjured but with damaged pride. The photos were captured by amateur photographer Mike Barth at the Sutton Reservoir near Macclesfield, in the...
more »