Norfolk boobook mated with the female with the pair producing fledged chicks in 1989 and 1990. The original female disappeared in 1996 but, by then, there was a small hybrid population of about a dozen birds. These birds and their descendants continue to exist on the island. Norfolk boobook The Norfolk boobook ("Ninox novaeseelandiae undulata"), also known as the Norfolk Island boobook, Norfolk Island owl or Norfolk Island morepork, was a bird in the true owl family endemic to Norfolk Island, an Australian territory in the Tasman Sea between Australia and New Zealand. It is an extinct subspecies of the morepork ("Ninox
Australasian darter Australasian darter The Australasian darter or Australian darter ("Anhinga novaehollandiae") is a species of bird in the darter family, Anhingidae. It is found in Australia, Indonesia, and Papua New Guinea. It weighs around 2.6 kg and spans 86–94 cm (34–37 in) in length. John Gould described the Australasian darter as "Plotus novaehollandiae" in 1847. Closely related to American ("Anhinga anhinga"), African ("Anhinga rufa"), and Oriental ("Anhinga melanogaster") darters, the Australasian darter has been classed as a subspecies of the African or African plus Oriental darters. All four have also been classed as a single species. Examination of the leg bones