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Thalasseus bernsteini
Basic stats
Diet
Small fish
Habitat
Coastal waters, estuaries, sandy or rocky islets
Range
Breeds on a handful of islands off China, winters south to Southeast Asia
Clutch size
1–2 eggs
Incubation period
About 24–26 days
Size
Medium tern (38–43cm)
Wingspan
~87–92cm
Weight
~200–250g
One of the world's rarest seabirds, listed as Critically Endangered with only a handful of breeding pairs known, recorded in Borneo as an extreme rare/accidental vagrant.
Distinguished from the similar Greater Crested Tern by its pale yellow-tipped bill, and any sighting in Bornean waters would be of major conservation significance given its precarious global population.
