Transvolcanic Alligator Lizard

Transvolcanic Alligator Lizard

Barisia imbricata

Silhouette: SeismicShrimp · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered Endemic
Daily sighting probability ~20% · Possible
at Reserva de la Biosfera Mariposa Monarca
5 Verified sightings at Reserva de la Biosfera Mariposa Monarca From 2019 to 2026
5 Verified sightings across 1 park From 2019 to 2026
September Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Transvolcanic Alligator Lizard

Barisia imbricata, also known commonly as the imbricate alligator lizard, the transvolcanic alligator lizard, and el escorpión de transvolcánico in Mexican Spanish, is a species of medium-sized lizard in the family Anguidae. The species is endemic to Mexico.

B. imbricata is found in the Mexican states of Aguascalientes, Chihuahua, Guanajuato, Guerrero, Hidalgo, Jalisco, México, Michoacán, Morelos, Nayarit, Oaxaca, Puebla, Veracruz, and Zacatecas. The preferred natural habitats of B. imbricata are forest and grassland, at altitudes of 1,200–3,000 m (3,900–9,800 ft).

B. imbricata is terrestrial. B. imbricata preys predominately upon insects but will also kill and eat small vertebrates. The mode of reproduction of B. imbricata has been described as viviparous and ovoviviparous. Litter size is up to 11 newborns.

Females demonstrate a summer/autumn activity pattern with follicular growth starting in spring (June) and ovulation occurring in Autumn (late August–September). Within the Río Frío, Mexico, Mexico area, ovarian activity is positively correlated with precipitation, however there is no correlation with... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Reserva de la Biosfera Mariposa Monarca 🇲🇽 Mexico
~20%

More parks will be added in future updates.

Quick answers

What are the chances of seeing a Transvolcanic Alligator Lizard in Reserva de la Biosfera Mariposa Monarca?

About 20% of wildlife watchers report a Transvolcanic Alligator Lizard sighting in Reserva de la Biosfera Mariposa Monarca, based on 5 verified sightings from GBIF citizen-science data.

When is the best time to see Transvolcanic Alligator Lizard in Reserva de la Biosfera Mariposa Monarca?

September has the highest sighting rate for Transvolcanic Alligator Lizard in Reserva de la Biosfera Mariposa Monarca in our monthly data.

← Back to Reserva de la Biosfera Mariposa Monarca