Fairy tern of extinction for decades. The fairy tern was consequently uplisted to Vulnerable status in 2008. The New Zealand fairy tern has numerous breeding areas, largely incorporating the upper-north region of the North Island. In 2011, there were only about 42 known individuals. With a breeding program in place by the New Zealand Department of Conservation, the population was estimated in 2018 at 43. Fairy tern The fairy tern ("Sternula nereis") is a small tern which is native to the southwestern Pacific. It is listed as "Vulnerable" by the IUCN and the New Zealand subspecies is "Critically Endangered". There are three
Forster's tern salt ponds, hence increasing the susceptibility of the Forster's tern. High levels of Selenium may also have deleterious effects on their health. Organochlorine contaminants such as PCB may also diminish their breeding success. Forster's tern The Forster's tern ("Sterna forsteri") is a tern in the family Laridae. The genus name "Sterna" is derived from Old English "stearn", "tern", and "forsteri" commemorates the naturalist Johann Reinhold Forster. It breeds inland in North America and winters south to the Caribbean and northern Central America. This species is rare but annual in western Europe, and has wintered in Ireland and Great Britain on