Snake species from the Pernambuco Endemism Center. A Micrurus ibiboboca B Micrurus potyguara C Epictia borapeliotes D Amerotyphlops arenensis E Amerotyphlops brongersmianus F Amerotyphlops paucisquamus G Bothrops bilineatus H Bothrops erythromelas I Bothrops leucurus J Bothrops muriciensis K Crotalus durissus L Lachesis muta. Photograph credits: Frederico França (A, B, E, F, H, I, K, L), Ivan L. Sampaio (C), Gentil A. Pereira Filho (D), Willianilson Pessoa (J), Rafaela França (G).