Hawaiian petrel Hawaiian petrel The Hawaiian petrel or uau ("Pterodroma sandwichensis") is a large, dark grey-brown and white petrel that is endemic to Hawaii. The Hawaiian petrel was formerly found on all the main Hawaiian Islands except Niihau, but today it is mostly restricted to Haleakalā crater on Maui; smaller populations exist on Mauna Loa on the island of Hawaii, Waimea Canyon on the island of Kauai, Lānaihale on Lānai, and possibly Molokai. It is also reportedly seen on the Galapagos Islands. Their diet consists of 50–75% squid, and smaller percentages of fish and crustaceans. The birds nest in burrows or rock
Hawaiian architecture and experimented with the use of coral blocks hewn from the reefs of the Hawaiian Islands. Coral seemed plentiful and were comparable to bricks used for construction in New England. When Queen Kaahumanu converted to the Congregational denomination of Christianity, she commissioned the construction of a major church in what is now downtown Honolulu. Kawaiahao Church is one of the longest-lasting relics of Hawaiian mission architecture using coral blocks. Today, Kawaiahao Church stands adjacent to the Mission Houses Museum, surviving examples of Hawaiian mission architecture using wood. At the same time that Congregational missionaries went about the construction of Kawaiahao