baboon

“It sounds like a baboon getting his nose hairs ripped out.”

"The possibility that T. rex might have been as intelligent as a baboon is fascinating and terrifying, with the potential to reinvent our view of the past," concluded Dr Darren Naish.

After analyzing previous research on fossilized dinosaur brain cavities and the neuron counts of birds and other related living animals, Herculano-Houzel extrapolated that the fearsome Tyrannosaurus rex may have had more than 3 billion neurons — more than a baboon.

Baboon mothers usually do not play with their babies.

In this study, the researchers examined a collection of baboon mummies from the ancient Egyptian site of Gabbanat el-Qurud, the so-called Valley of the Monkeys on the west bank of Luxor.