This species is known from southeastern Vaupés and Putumayo departments, Colombia, and adjacent Ecuador (Napo Moist Forests of the Eastern Tropical Altitudinal Zone). It has been recorded between 200-600m asl.
Habitat and Ecology
It is a fossorial species that inhabits tropical moist forests. It lives on and under the forest floor, and in muddy areas next to water springs. Clutches of two embryos are laid 10cm underground and the young breed by direct development without a larval stage. It has not been recorded from anthropogenic habitats.
It is a very difficult species to find so it appears to be uncommon, but it is secretive, and so it might be more common than it appears.
Habitat loss caused by deforestation, agricultural development, and illegal crops are localized threats but there are no known major threats to the species overall at present.
The range in Colombia overlaps with La Paya National Park. In Ecuador, its geographic range overlaps with Parque Nacional Yasuní and Reserva de Producción Faunística Cuyabeno and Limoncocha Biological Reserve. More research into the species' Extent of Occurrence and population status is needed.
Fernando Castro, Maria Isabel Herrera, Luis A. Coloma, Santiago Ron, Jose Vicente Rueda, Wilmar Bolívar, Ruth Amanda Estupinan, Ana Almendáriz 2004. Synapturanus rabus. In: IUCN 2014