When combined, all ants in the world weigh about as much
as all human beings.
In the Amazon rainforest, ants and termites make up
nearly 1/3 of the total
animal biomass.
About 9,500 species of ants are known. Scientists believe at least twice as many species of ants have yet to be
discovered.
There are one million trillion (1018) insects alive at any moment.
One percent of these are ants.
There are ten thousand trillion (1016) live ants at any moment.
Hφlldobler, Wilson, Journey to the Ants, Harvard University Press, 1994.