Table 1. Taxonomic comparisons of the 2919 highly threatened terrestrial vertebrates and the 1189 highly threatened terrestrial vertebrates on islands.

**Table 1. Taxonomic comparisons of the 2919 highly threatened terrestrial vertebrates and the 1189 highly threatened terrestrial vertebrates on islands.** CR, critically endangered; EN, endangered.
	All terrestrial vertebrates (11)				All terrestrial vertebrates from islands
Taxonomic class	Total taxa (% of described taxa)	# of CR and EN (% of total)	Red List category (% of total)		Total CR and EN (% of total CR and EN)	Red List category (% of total CR and EN)
Taxonomic class	Total taxa (% of described taxa)	# of CR and EN (% of total)	CR	EN	Total CR and EN (% of total CR and EN)	CR	EN
Amphibia	6106 (24%)	1255 (21%)	498 (8%)	757 (12%)	319 (25%)	109 (34%)	210 (34%)
Reptilia	4160 (17%)	486 (12%)	162 (4%)	324 (8%)	282 (58%)	105 (58%)	177 (37%)
Aves	9538 (38%)	566 (6%)	187 (2%)	379 (4%)	296 (52%)	119 (52%)	177 (40%)
Mammalia	5337 (21%)	612 (11%)	187 (4%)	425 (8%)	292 (48%)	96 (48%)	196 (33%)
Total	25,141	2919 (12%)	1034 (4%)	1885 (7%)	1189 (41%)	429 (36%)	760 (64%)