Did you know? Length of the Rio Grande (USA, Mexico) (3,057 km) is 2.5 x Length of the Rhine River (1,233 km)
Estimated world population of Sunda Clouded Leopard (4,500 individuals)
/fact/estimated-world-population-of-sunda-clouded-leopard
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If this was a standard unit ...
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.