[[File:Brain-body mass ratio for some animals diagram.svg|thumb|360px|Brain–body mass ratio relationship for mammals {{Dubious |Errors in the Brain-body mass ratio diagram|date=September 2018}}]]

The '''history of supposed differences between humans and other animals''' is long.  Often scientists look for a measurement that will distinguish humans from other animals, but many measurements eventually fail to be a distinguishing factor.

* [[Mirror test]]
* [[Tool use by animals|Tool use]]
* [[Brain size#Cranial capacity|Cranial capacity]]
* [[Brain-to-body mass ratio]]
* [[Encephalization quotient]]
* ?? [[Gyrification#Variation across species]]

== References ==

* https://stanfordpress.typepad.com/blog/2015/09/on-the-separation-of-human-and-animal.html

== Use internally when writing the article ==

* https://www.newscientist.com/article/mg22129531-100-what-separates-us-from-other-animals/
* https://plato.stanford.edu/entries/moral-animal/#HumaExce