Rustyhead Snake

Rustyhead Snake

Amastridium veliferum

Silhouette: Alex Slavenko · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~10% · With luck
at Arenal Volcano National Park
5 Verified sightings at Arenal Volcano National Park From 2019 to 2026
8 Verified sightings across all 4 parks From 2019 to 2026
June Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Rustyhead Snake

The rustyhead snake (Amastridium veliferum), also known commonly as the rufous-headed snake, is a species of snake in the family Colubridae. The species is endemic to Central America and Colombia. Amastridium veliferum is one of only two recognized species in the genus Amastridium.

Amastridium veliferum is found in Colombia, Costa Rica, Guatemala, Nicaragua, and Panama. The preferred natural habitat of A. veliferum is forest, at altitudes of 2–1,200 m (6.6–3,937.0 ft). Amastridium veliferum is oviparous.

Boulenger GA (1894). Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xi + 382 pp. + Plates I-XX. (Genus Amastridium and species A. veliferum, p. 352).

Cope ED (1860). "Descriptions of Reptiles from Tropical America and Asia". Proc. Acad. Nat. Sci. Philadelphia 1860: 368-374. (Amastridium, new genus, p. 370; A. veliferum, new species, pp. 370–371). Heimes P (2016). Snakes of Mexico: Herpetofaua Mexicana Vol... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Arenal Volcano National Park 🇨🇷 Costa Rica
~10%
2 Gandoca-Manzanillo Wildlife Refuge 🇨🇷 Costa Rica
Insufficient data
3 Braulio Carrillo National Park 🇨🇷 Costa Rica
Insufficient data
4 Soberanía National Park 🇵🇦 Panama
Insufficient data

Quick answers

What are the chances of seeing a Rustyhead Snake in Arenal Volcano National Park?

About 10% of wildlife watchers report a Rustyhead Snake sighting in Arenal Volcano National Park, based on 5 verified sightings from GBIF citizen-science data.

When is the best time to see Rustyhead Snake in Arenal Volcano National Park?

June has the highest sighting rate for Rustyhead Snake in Arenal Volcano National Park in our monthly data.

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