Have a look at xeno-canto as well, a large repo of animal sounds. It's more of a general archive than specifically for “understanding”, for example it’s often u

Have a look at xeno-canto as well, a large repo of animal sounds. It's more of a general archive than specifically for “understanding”, for example it’s often used to train audio recognition models. https://xeno-canto.org/ https://xeno-canto.org/