Snake species from the Pernambuco Endemism Center. A Pseudoboa nigra B Psomophis joberti, C Sibon nebulatus D Siphlophis compressus E Taeniophallus affinis F Taeniophallus occipitalis G Thamnodynastes almae H Thamnodynastes hypoconia I Thamnodynastes pallidus J Thamnodynastes phoenix K Xenodon merremii L Xenodon rabdocephalus M Xenopholis scalaris N Xenopholis undulatus O Micrurus corallinus. Photograph credits: Frederico França (A, B, C, D, F, H, K, N), Vanessa Nascimento (L), Samuel Cardoso (G), Davi Pantoja (M), Rafaela França (I), Anderson A. Santos (E), Paulo R. S. Freitas (J), Adrian Garda (O).