6,487 – Number of amphibian species as of May 21, 2009
5,732 – Number of frogs and toads, which is 88% of known amphibian species
579 – Number of newts and salamanders, which makes up 9% of known amphibians
176 - Number of caecilians, or roughly 3% of total known amphibian species
60% – Percent of increase in recognized species since 1985
811 – Frog species described in Brazil as of January 2009
292 – Frog species found in the United States
180cm – Length from head to tail of the largest amphibian, the Chinese Giant Salamander
151cm – Length of the largest caecilian
11cm - Length of the smallest caecilian
10cm – Length of the smallest frog
Data: AmphibiaWeb 2009, IUCN 2009
