Bird species' communication like that of humans

[Mischief]

Stringing together meaningless sounds to create meaningful signals was previously thought to be the preserve of humans alone, but the new study has revealed that babbler birds are also able to communicate in this way. Signs of human-esque communication discovered in babbler birds | The Financial Express

 

[Moll Flanders]

Amazing.

 

[rainforests1]

It's less fun when they don't sing. Why does it take so long for them to figure out stuff like this?