Table 1.

Numbers of mammal, bird, reptile and amphibian species threatened (CR, EN and VU) by IAS and other threats.

	IUCN category	no. other threatened sp.	no. IAS-threatened sp.	% IAS-threatened among all
mammals	CR	178	36	17%
	EN	437	81	16%
	VU	456	66	13%
	total	1071	183	15%
birds	CR	190	94	33%
	EN	394	137	26%
	VU	693	212	23%
	total	1277	443	26%
reptiles	CR	142	54	28%
	EN	290	65	18%
	VU	282	42	13%
	total	714	161	18%
amphibians	CR	503	234	32%
	EN	772	201	21%
	VU	580	130	18%
	total	1855	565	23%