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The common tern [2] (Sterna hirundo) 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 strongly migratory, wintering in coastal tropical and subtropical regions. Breeding adults have light grey upperparts, white ...
Common tern in flight Common tern in flight. Terns are seabirds in the family Laridae, subfamily Sterninae, that have a worldwide distribution and are normally found near the sea, rivers, or wetlands. Terns are treated in eleven genera in a subgroup of the family Laridae, which also includes several genera of gulls and the skimmers (Rynchops ...
Common tern: Sterna hirundo: Europe, North Africa, Asia east to western Siberia and Kazakhstan, and North America. Roseate tern: Sterna dougallii: Atlantic coasts of Europe and North America, and winters south to the Caribbean and west Africa. White-fronted tern: Sterna striata: New Zealand and Australia Black-naped tern: Sterna sumatrana
The game commission believes since 2012, 21 common tern nests have been started there but failed. Brian Whipkey is the outdoors columnist for USA TODAY Network sites in Pennsylvania.
The species has a variety of calls; the two most common being the alarm call, made when possible predators (such as humans or other mammals) enter the colonies, and the advertising call. [21] While the Arctic tern is similar to the common and roseate terns, its colouring, profile, and call are slightly different. Compared to the common tern, it ...
The offering of fish by the male to the female is part of the courtship display. This is a medium-small tern, 33–36 cm (13–14 in) long with a 64–70 cm (25–28 in) wingspan and a weight ranging from 130 to 190 g (4.6-6.7 oz ). [4] It is most similar to the common tern, with pale gray upperparts and white underparts. Its legs are red and ...
The white-fronted tern is an average-sized tern; its dimensions are 35–43 cm (14–17 in) in length, with a wingspan between 79 and 82 cm (31 and 32 in); the male weighs on average 130 g (4.6 oz). [3] Females are marginally smaller than males, but this is difficult to determine when observing individuals in the wild. [12]
The offering of fish by the male to the female is part of the courtship display. These species have long thin sharp bills, usually a shade of yellow or orange except in the Sandwich tern and Cabot's tern where the bills are black with yellow tips in most subspecies. All species have a shaggy crest.