islands off s California (Channel Islands), w Mexico: from c Baja California and Gulf of California (nw Mexico) to Revillagigedo Is. (far w of c Mexico) and Clipperton (far sw of Mexico)
A new species split from the [Brown Booby], and found on islands off of California and Baja California, and sometimes as far south as Colombia. Note white head and a pale brown upper neck. There is overlap between the two species.
Africa (entire continent rather than south of Sahara)
AN
Antarctica
AO
Atlantic Ocean
AU
Australasia (Wallacea (Indonesian islands east of Wallace's line), New Guinea and its islands, Australia, New Zealand and its subantarctic islands, the Solomons, New Caledonia, and Vanuatu)
PAL
Eurasia (Europe, Asia from the Middle East through central Asia north of the Himalayas, Siberia and northern China to Japan)
IO
Indian Ocean
LA
Latin America (Middle and South America)
MA
Middle America (Mexico through Panama)
NA
North America (includes the Caribbean)
NO
Northern oceans
OR
Oriental Region (South Asia from Pakistan to Taiwan, plus Southeast Asia, the Philippines, and Greater Sundas)
