To clarify: I’m not suggesting animals think all sounds are songs—just that songbirds and humans are the only common animals that combine sounds into arbitrary sequences where each individual sound doesn’t have a single fixed meaning.
To clarify: I’m not suggesting animals think all sounds are songs—just that songbirds and humans are the only common animals that combine sounds into arbitrary sequences where each individual sound doesn’t have a single fixed meaning.
I’m pretty sure most humans understand what purring and growling means