Viola Stirling’s Nature Diary – 15 Jul 1921
Black-headed gulls are one of the easiest gulls to identify. As Viola notes, their heads are not really black but are instead a ‘coffee colour’. This distinctive feature only occurs […]
Black-headed gulls are one of the easiest gulls to identify. As Viola notes, their heads are not really black but are instead a ‘coffee colour’. This distinctive feature only occurs […]