HOGSTAD, O. Sexual bill dimorphism supports separation of the woodpecker genera Dendrocopos Koch (1816) in the Palaearctic and Picoides Lacépède (1799) in the Nearctic. Ornis Norvegica, [S. l.], v. 31, p. 183–188, 2008. DOI: 10.15845/on.v31i0.167. Disponível em: https://boap.uib.no/index.php/ornis/article/view/167. Acesso em: 25 apr. 2024.