MCKINNEY, Frank; DERRICKSON, Scott. Aerial scratching, leeches and nasal saddles in Green-winged Teal. Wildfowl, [S. l.], p. 151–153, 1979. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154123. Acesso em: 18 dec. 2025.