Factors

1. Endemic plants

2. Endemic vertebrates

3. Endemic plants/area ratio (species per 100km1 2 3 4 5)‌

4. Endemic vertebrates/area ratio (species per 100km3)

5. Remaining primary vegetation as % of original extent

The eight hottest hot spots in terms of five factors

1. Madagascar

2. Philippines

3. Sundaland

4. Brazil’s Atlantic Forest

5. Caribbean

6. Indo-Burma

7. Western Ghats/Sri Lanka

8. Eastern Arc and Coastal Forests of Tanzania/Kenya

These eight 'hottest hot spots’, appear at least three times in the top ten listings for each factor.

Do you know?

All snakes and lizards have two penises