Raven_sound_effect_hd

: Some HD recordings feature a "knocking" call, which sounds like water dripping or a hollow tube being tapped.

: Common ravens produce a gurgling, deep croak that sounds more musical and hollow than a crow's scratchy call. raven_sound_effect_hd

: In certain environments, ravens can mimic human speech and use specific sounds in context, such as greetings. : Some HD recordings feature a "knocking" call,