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Agkistrodon bilineatus

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA REPTILIA SQUAMATA VIPERIDAE

Scientific Name: Agkistrodon bilineatus
Species Authority: Günther, 1863
Common Name/s:
Spanish – Cantil, Castellana

Assessment Information [top]

Red List Category & Criteria: Near Threatened ver 3.1
Year Published: 2007
Assessor/s: Lee, J. & Hammerson, G.A.
Reviewer/s: Cox, N., Chanson, J.S. & Stuart, S.N. (Global Reptile Assessment Coordinating Team)
Contributor/s:
Justification:
Listed as Near Threatened based on the extreme pressure from persecution leading to population reductions of close to 30% over the last 15 to 30 years (assuming a generation length of five to 10 years).

Geographic Range [top]

Range Description: The species ranges along the Pacific versant of Mexico, from northern Sinaloa and adjacent Sonora southward to northern Costa Rica. Inland in Mexico it ranges in Morelos and northern Chiapas and scattered localities in the Yucatan Peninsula.
Countries:
Native:
Belize; Costa Rica; El Salvador; Guatemala; Honduras; Mexico; Nicaragua
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is an uncommon to rare species throughout its range.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: The species prefers lowland areas of dry forests and tropical deciduous forest, thorn forest and savanna. It occurs in riparian vegetation. It can also be found in cultivated lands and grasslands.
Systems: Terrestrial

Threats [top]

Major Threat(s): It is widely known and feared by the people of the Yucatan, which leads to human persecution of the species.

Conservation Actions [top]

Conservation Actions: Its range in Mexico includes Calakmul Biosphere Reserve and Chamela biological station.
Citation: Lee, J. & Hammerson, G.A. 2007. Agkistrodon bilineatus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 19 June 2013.
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