STEEN, R.; AUSTAD, A.-M.; JOHNNY, S.; BJERKE, B. A. Daily activity and nest attendance in a breeding pair of Parrot Crossbills Loxia pytyopsittacus in southern Norway. Ornis Norvegica, [S. l.], v. 40, p. 24–32, 2017. DOI: 10.15845/on.v40i0.1206. Disponível em: https://boap.uib.no/index.php/ornis/article/view/1206. Acesso em: 19 apr. 2024.