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reptiles

Mexican Cantil

Agkistrodon bilineatus

Clever Snake

Unlike other fast-moving snakes, the cantil has a short, heavy body. As juveniles, they will lure potential prey by wiggling their bright yellow tail as if to mimic a worm, which attracts frogs, lizards, or other prey items.

About the Species

The Mexican cantil is a venomous pit viper, in the Agkistrodon genus.

This snake is classified in the same genus as the native cottonmouth. Like all pit vipers, the Mexican cantil has a pair of heat-sensitive pits located between the eye and nostril on each side of the head. The Mexican cantil is a dark brown ground color, overlaid with darker brown or black bands, often fringed with white or cream scales. Juvenile cantils usually possess more distinctive banding and brightly colored tails, which is used to lure prey.

Words From the Experts

Quotes

This animal performs a behavior known as caudal luring. The tip of the tail is a pale yellow color, which it uses as a lure to attract its prey within striking distance.

Dave

Dave

Did You Know?

The Mexican cantil has the longest fangs of any species within the Agkistrodon genus, growing over one centimeter in length.

Facts

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Origin

Mexico and Central America

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Habitat

Areas bordering rivers or streams, grasslands, cultivated lands

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Size

80 cm long (avg.)

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Diet

Amphibians, reptiles, birds, mammals

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Predators

humans (habitat loss)

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Natural Defenses

Venomous and camouflage

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Reproduction

ovoviviparous; 5–10 per litter

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Status

Near threatened

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Life Expectancy

5–10 years

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