Thirty points is about the difference between humans and chimps/gorillas/orangutan.
(around 70 IQ I think, but sources are very much in disagreement on this, claiming it's more around 25-50 [1]. Taking tests on animals is hard)
Last I checked they were all in the "critically endangered" category [2].
[1] https://www.quora.com/Using-human-standards-what-would-be-th...