MCKINNEY, Frank; BUITRON, Deborah; DERRICKSON, Scott R. Persistent quacking in dabbling ducks: a predator-luring signal?. Wildfowl, [S. l.], p. 92–98, 1990. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154048. Acesso em: 17 dec. 2025.