MAY, Roel; VAN DIJK, Jiska; STOKKE, Bård Gunnar. Which characteristics are important for species identification of birds in flight? Results from a survey of Norwegian birdwatchers. Ornis Norvegica, [S. l.], v. 48, p. 12–18, 2025. DOI: 10.15845/on.v48.4196. Disponível em: https://boap.uib.no/index.php/ornis/article/view/4196. Acesso em: 6 dec. 2025.