Lord Howe boobook than both the New Zealand and Norfolk Island subspecies. The Lord Howe boobook was restricted to Lord Howe Island where it inhabited the native forests as well as occurring around the settlements. Exactly when the Lord Howe boobook became extinct is uncertain. Boobook calls were apparently heard on the island until the 1950s, but during the 1920s boobooks from near Sydney in eastern Australia had been introduced, along with barn owls and masked owls, in an unsuccessful effort to control the black rats that had overrun the island. The rats had been accidentally introduced in June 1918 with the grounding
Australasian pipit New Zealand due to the improvement of pastures, use of pesticides and predation by introduced species. A number of subspecies are recognised: Australasian pipit The Australasian pipit ("Anthus novaeseelandiae") is a fairly small passerine bird of open country in Australia, New Zealand and New Guinea. It belongs to the pipit genus "Anthus" in the family Motacillidae. It was formerly lumped together with the Richard's, African, Mountain and Paddyfield pipits in a single species: Richard's pipit, "Anthus novaeseelandiae". Some authors split the Australasian pipit further into two species: Australian pipit ("Anthus australis") in Australia and New Guinea and New Zealand pipit