The world's largest tern, usually unmistakeable given its large orange-red bill, although some have less prominent
bills which may give rise to confusion with Royal Tern. A widespread breeder in Eurasia, Africa, North America and
Australia, and a fairly regular vagrant
to Britain. I was lucky enough to find one on a local patch when I called
in on the way home from work!
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HOMEPAGE
CASPIAN TERN
Hydroprogne caspia
