White-fronted Terns often congregate on this shingle-bar exposed at low tide close to the mouth of the Hokitika River; other groups of terns (almost certainly White-fronted) can been seen on the opposite bank in the middle distance. A Black-backed Gull is banking on the breeze upper right.
On nest on the Farne Islands.
2 individuals in loose flock of ring-billed gulls.
A Roseate Tern at the Ninigret Tidal Flats.
Common bird in south and central Finland,
Sterna is a genus of terns in the bird family Sternidae. It used to encompass most "white" terns indiscriminately, but mtDNA sequence comparisons have recently determined that this arrangement is paraphyletic (Bridge et al., 2005). It is now restricted to the typical large white terns occurring near-globally in coastal regions.