Recognized as one of the region’s most iconic birds, it impresses observers with its attention-grabbing casque – a stunning, hollow horn that extends from its upper bill. What is the purpose ...

The Birds from the Diego Ramirez population were significantly heavier and larger (with a longer and wider bill and longer tarsi ... starting in the Cape Horn and extending south to the 200 ...

While monotypic, birds in the south average smaller and tend to show bare dark grayish skin below eye (similar in shape to the yellow skin on yellow-billed magpie). Black bill and range ...