The common tern is a seabird in the family Laridae. This bird has a circumpolar distribution, its four subspecies breeding in temperate and subarctic regions of Europe, Asia and North America. It is s
Adult S. h. hirundo in the harbour of Jyväskylä, Finland
Adult S. h. hirundo in breeding plumage at Nantucket National Wildlife Refuge, Massachusetts
Detail of primary feather
The merlin is a small species of falcon from the Northern Hemisphere, with numerous subspecies throughout North America and Eurasia. A bird of prey, the merlin breeds in the northern Holarctic; some m
European subspecies F. c. aesalon, Dumfries & Galloway, Scotland
Coastal forest merlin (F. c. suckelyi), Lake Los Carneros Park, Goleta, California, United States
Male (presumably F. c./a. pallidus) wintering in Little Rann of Kutch (Gujarat, India)