Within this broad framework-west, transitional and east-biologists have divided Indonesia into seven biological regions based on distinct groupings of unique bird (and animal) species. So, for instance, Celebes has 96 bird species not shared with other regions, and the Lesser Sunda regions, except for Moluccas, where the provincial boundary-which encompasses the Moluccas and parts of the Lesser Sundas, and Papua-has been used for practical travel reasons.
To be continued…………..
Taken from Jepson, P, 1997, Birding Indonesia, Periplus Editions. Singapore