RECORDED EXTINCTIONS SINCE 1600 A.D.

                                                                                                                              

TAXON	MAINLAND	ISLAND	OCEAN	TOTAL	APPROXIMATE  NUMBER  OF SPECIES	PERCENT  OF  TAXON  EXTINCT
Mammals	30	51	4	85	4,000	2.1
Birds	21	92	0	113	9,000	1.3
Reptiles	1	20	0	21	6,300	0.3
Amphibians*	2	0	0	2	4,200	0.05
Fish	22	1	0	23	19,100	0.1
Invertebrates	49	48	1	98	1,000,000+	0.01
Flowering plants	245	139	0	384	250,000	0.2

Source: Reid and Miller 1989; data from various sources

*There has been an alarming decline in amphibian populations recently;   

   and many species may be on the verge of extinction.