A large, striking heron of sub-Saharan Africa, distinguished by its jet-black crown and hindneck and its unusual preference for terrestrial hunting.
A loud, harsh, and guttural 'kaark' or croak, most frequently heard when the bird is in flight or at the breeding colony.
Open Birdsong, tap record, and identify the bird singing near you in seconds — then collect it in your field journal.
Identify a bird by its song