Table 1.

Summary of data for the six mammal taxa included in this study.

taxon	species in the database	land-bridge islands with more than one species	oceanic islands with more than one species	mean species per island
carnivores	238	206	19	7.2
ungulates	238	105	13	3.5
primates	233	62	11	4.6
rodents	2015	164	47	7.7
megabats	166	38	130	5.5
microbats	759	149	176	13.8