DISCUSSION OF THE AVIFAUNA 28
Oceanic Birds 28
Inshore Oceanic Birds 29
Offshore and Pelagic Oceanic Birds 30
Faunal Components 30
Migratory Shore Birds 32
Original Homes of the Shore Birds that Visit Micronesia 32
Routes of Migration 34
Populations of Shore Birds in Micronesia 37
Land and Fresh-Water Birds 42
Polynesian Component 44
Melanesian Component 44
Moluccan and Celebesian Components 45
Philippine Component 45
Palearctic Component 46
Speciation 48
Time of Colonization 50
Factors Causing Dispersal 52
Analysis of Speciation 55