The study is published in the journal Science. The chart shows the relative ups and downs in species counts, telling scientists about the origin, diversification, and extinction of ancient life.

Orders ship on February 5. This article was originally published on mentalfloss.com as This Wall Chart Shows Every Species in the Cat Kingdom.

Pete Ewins, Arctic species specialist for WWF-Canada, said that it is expected the project will contribute fascinating information about the habits of narwhals. “We’re supporting this project because ...