KAPFER, Joshua M. Chasing Bullsnakes (Pituophis catenifer sayi) in Wisconsin: On the Road to Understanding the Ecology and Conservation of the Midwest’s Giant Serpent. Iguana, [S. l.], v. 15, n. 4, p. 190–197, 2008. Disponível em: https://journals.ku.edu/iguana/article/view/17900. Acesso em: 28 apr. 2025.