Photographs of some species of Sibon in life a S. irmelindicaprioae sp. nov. MHCH 3269 from Chucantí Reserve, Darién province, Panama b S. irmelindicaprioae sp. nov. from Morromico Reserve, Chocó department, Colombia c S. canopy sp. nov. from Cerro Gaital, Coclé province, Panama d, e S. annulatus from Centro Manu, Limón province, Costa Rica f S. ayerbeorum ZSFQ 5066 from Canandé Biological Reserve, Esmeraldas Province, Ecuador g S. marleyae sp. nov. holotype ZSFQ 5065 from Verdecanandé, Esmeraldas Province, Ecuador h S. marleyae sp. nov. ZSFQ 5068 from Verdecanandé, Esmeraldas Province, Ecuador i S. marleyae sp. nov. neonate from Verdecanandé, Esmeraldas Province, Ecuador.