Dunn's road guarder

Dunn's road guarder (Crisantophis nevermanni) is a species of snake in the family Colubridae. The species, which is monotypic in the genus Crisantophis, is endemic to Central America.

Geographic range
C. nevermanni is found in northwestern Costa Rica, El Salvador, Guatemala, western Honduras, and Nicaragua.

Habitat
The preferred natural habitat of C. nevermanni is forest, at altitudes of 4 –.

Behavior
C. nevermanni is terrestrial and diurnal.

Diet
C. nevermanni preys predominately upon frogs and lizards.

Reproduction
C. nevermanni is oviparous.

Etymology
The generic name, Crisantophis, is in honor of Miss Crisanta Cháves, who was director of the Museo Nacional de Nicaragua for over 50 years.

The specific name, nevermanni, is in honor of German coleopterist Wilhelm Heinrich Ferdinand Nevermann (1881–1938).