Ardea purpurea
Most similar to Grey Heron but leaves a much darker impression, has a slimmer body, neck and wings. The bill is markedly thinner and is almost level with the flat forehead. Adult birds have black longitudinal stripes along the rufous sides of the neck, and a black crown. Immature birds have more diffuse streaking, and are sandy brown instead of grey. Coverts are also brownish, and partially remains in first summer birds. In flight the dark underwings of adult birds are obvious. The folded neck creates a bigger and more angular bulge and the very long toes are often sprawled. More secretive behaviour than Grey Heron.
Quite similar to Grey Heron, but not so vocal. Pitch slightly higher and remains stable throughout the short call. Volume muffled and timbre drier.
Wikipedia: map (se also Xeno-canto below)
Birdlife ecology
