SCOTT, Peter. The B.B.C./I.U.C.N. Darwin Centenary Expedition to the British Virgin Islands, Trinidad, Panama, Ecuador and the Galapagos Islands. January-March 1959. Wildfowl, [S. l.], p. 61–76, 1959. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155708. Acesso em: 18 dec. 2025.