In albatrosses and some tubenose allies, a distinct bill plate that lies along the culmen up to the nail (as in Yellow-nosed Albatross). Found on http://www.encyclo.co.uk/local/22218
In albatrosses and some tubenose allies, a distinct bill plate that lies along the culmen up to the nail. Found on https://www.encyclo.co.uk/local/22222