Black-Headed Gulls and Mayflies

tl_files/ANS/Images/DavidG/2005_B-H_Gull.jpgDavidG/2005_Mayfly.jpg

Eight Black-headed Gulls were swooping and darting about over the River Ock yesterday. The reason - Mayflies have hatched and in their short life out of water, are providing food for the gulls, who must be nesting nearby, though I don't know where. .

from David Guyoncourt: 18 May 2020