Pàgina en construcció, en breu tot el contingut estarà disponible.
The zoologist of the future should be a different kind of man altogether: the present one is not worthy of the name. He should go out with glasses and notebook, prepared to see and think. He should stalk the gorilla, follow up the track of the elephant, steal up on a bear … but it should be to biographise these animals, not to shoot them. Erwin Stresemann (1889-1972) German ornithologist