Lord Howe boobook of the steamship SS "Makambo", and several of Lord Howe's endemic birds disappeared during the next few years. The endemic boobook may have been extirpated by rat predation, owl predation or owl competition, and the calls heard until the 1950s may have come from either the endemic or the introduced boobook subspecies, or both. There are specimens of the Lord Howe boobook in the Australian Museum. Lord Howe boobook The Lord Howe boobook ("Ninox novaeseelandiae albaria"), also known as the Lord Howe morepork, was a bird in the true owl family endemic to Lord Howe Island in the Tasman Sea,
Australasian grebe are about three-quarters grown. Initially the young will ride on the parents back, hidden between their slightly raised wings. When the chicks begin to dive and feed themselves (at about 10 weeks) the mother may leave too, although mothers have been known to return soon after, apparently to check on the chicks. The parents are very protective and will try to drive away other water birds (ducks, herons) by confronting them and flapping their wings wildly or using their wings to splash water at the intruders. Australasian grebe The Australasian grebe ("Tachybaptus novaehollandiae") is a small waterbird common on fresh