"'Humans do not have a monopoly on skills such as numerical thinking, abstraction, tool manufacture, and planning ahead,' said animal cognition expert Heather Williams via email."
CNN: Crows can count up to four, a new study finds www.cnn.com/2024/05/24/w...#crows#corvids
In watership down, the rabbits have a word "hrair" meaning "many," which could refer to any number over 4 because that was the highest they could count.