What is the mechanism that allows birds to build nests, beavers to build dams, or spiders to spin webs – without anyone teaching them how?

Question

Those are awfully complex structures, I couldn’t make one!

In: 613

Answer 1

They’re hard wired to do these things. Just like we’re hard wired to learn a language when we’re babies, but its hard AF later in life! Nothing to do with intelligence or sentience.