21. Baker's work was mainly on volcanoes and volcanic rocks of island arcs and oceanic islands . 22. Ornithochory is common in temperate zones and oceanic islands because of absence of native mammals. 23. Lovegrasses may be important groundcover on oceanic islands like Laysan, where other plants are rare. 24. They also occur on a number of oceanic islands . 25. Several species have colonized oceanic islands and become endemics. 26. Periods of such scarcity may be a greater threat on oceanic islands than on the mainland. 27. Auks also tend to be restricted to continental shelf waters and breed on few oceanic islands . 28. Some are naturalized in other regions ( notably Mediterranean region and on various oceanic islands ). 29. Africa, Latin America, and various oceanic islands . 30. Apart from oceanic islands , notable places that do not host lymantriines include the Antilles and New Caledonia.
