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An elegant tern was recorded in the British Isles, in Pagham, West Sussex, in June 2017. In May 2021, 1500 sand nests with thousands of eggs were abandoned when a drone crashed land near a nesting site in Bolsa Chica Ecological Reserve, scaring off 2,500 nesting elegant terns and leading to a catastrophic loss. [5] [6]
[5] [51] The Inca tern nests in crevices, caves and disused burrows, such as that of a Humboldt penguin. [52] The white tern is unique in that it lays its single egg on a bare tree branch. [53] Tropical species usually lay just one egg, but two or three is typical in cooler regions if there is an adequate food supply.
Breeding plumage Eggs, Collection Museum Wiesbaden. The royal tern nests on island beaches or isolated beaches with limited predators. It lays one or two eggs, usually in a scrape, an area on the ground where a tern has made a small hole to lay its eggs. In some cases, tern eggs are laid directly on the ground, not in a scrape.
Thalasseus, the crested terns, is a genus of eight species of medium-large to large terns in the family Laridae.. The species have a worldwide distribution in temperate and tropical seas, mostly between about 43° N and S latitude, but to 60° N in the warm waters of the North Atlantic Current in the eastern North Atlantic Ocean; they do not occur in colder arctic or antarctic waters.
Common tern, Sterna hirundo; Elegant tern, Thalasseus elegans (A) ... All are obligate brood parasites, which lay their eggs in the nests of estrildid finches.
Elegant tern, Thalasseus elegans (V) ... All are brood parasites, which lay their eggs in the nests of estrildid finches. Pin-tailed whydah, Vidua macroura;
Calls of adults and young, Norfolk, England. The Sandwich tern (Thalasseus sandvicensis) [2] is a tern in the family Laridae.It is very closely related to the lesser crested tern (T. bengalensis), Chinese crested tern (T. bernsteini), Cabot's tern (T. acuflavidus), and elegant tern (T. elegans) and has been known to interbreed with both elegant and lesser crested.
The call is a loud grating noise like Sandwich tern. [7] The grey rump is a useful flight identification feature distinguishing it from the related species. The Elegant tern also differs in a slightly longer, slenderer bill, while Chinese crested tern differs in a black tip to the bill and Sandwich tern a black bill with a yellow tip. [7]