Did you know? Estimated world population of Gemsbok (373,000 individuals) is 5 thousand x Estimated population of Javan Rhino (74 individuals)
Lifespan of horse (30 y)
/fact/lifespan-of-horse
Link
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.