Oceania unusual biology such as the kakapo which is the world's only flightless, nocturnal, lek breeding parrot, but also many species that are similar to neighboring land areas. Some of the more well known and distinctive bird species in New Zealand are the kiwi, kea, takahe, kakapo, mohua, tui and the bellbird. The tuatara is a notable reptile endemic to New Zealand. The Pacific Islands are ruled by a tropical rainforest and tropical savanna climate. In the tropical and subtropical Pacific, the El Niño Southern Oscillation (ENSO) affects weather conditions. In the tropical western Pacific, the monsoon and the related wet
Kakapo kakapo is believed to employ bacteria in the fore-gut to ferment and help digest plant matter. Kakapo diet changes according to the season. The plants eaten most frequently during the year include some species of "Lycopodium ramulosum", "Lycopodium fastigium", "Schizaea fistulosa", "Blechnum minus", "Blechnum procerum", "Cyathodes juniperina", "Dracophyllum longifolium", "Olearia colensoi" and "Thelymitra venosa". Individual plants of the same species are often treated differently. Kakapo leave conspicuous evidence of their feeding activities, over feeding areas that range between and per individual. Kakapo feeding grounds almost always host manuka and yellow silver pine ("Lepidothamnus intermedius") scrubs. Fossil records indicate that in