Ticking all bird families of the world challenge takes you around the globe with some mandatory stops on certain 9 islands, which hold 28 endemic bird families. This page reviews these islands, from west to east:
Caribbean endemic bird families
Two of the 7 Caribbean endemic bird families appear on all 4 islands of the Great Antilles: Todies (Todidae, 5 species) and Spindalises (Spindalidae, 4 species). Actually, the Western Spindalis distribution span a bit off the Antilles boundaries up to the Mexican island of Cozumel.
The first 2 of the 5 Malagasy endemic bird families are also endemic Orders (Mesitornithiformes & Leptosomiformes). The globe’s 4th biggest island holds the following:
Following Clements 2021 & IOC 2023.1, Vangas are not endemic family as it used to be, and included in the family of Vangas, Helmetshrikes, and Allies. (Vangidae).
Subdesert Mesite, Madagascar
Cuckoo-roller, Madagascar
Long-tailed Ground Roller, Madagascar
Velvet Asity, Madagascar
Long-billed Bernieria, Madagascar
Borneo endemic bird family
Three countries share the 3rd biggest island: Indonesia, Malaysia and the tiny Brunei. Borneo holds one monotype endemic family:
7 endemic birds families put New Guinea on the top of this list. Two countries share the 2nd biggest island: Indonesia hold West Papua and Papua New Guinea is a free state.