Rainbow Ameiva
Holcosus undulatus
Spanish: Ameiva metálica o arcoiris

Holcosus undulatus, also known commonly as the barred whiptail, the metallic ameiva, and the rainbow ameiva, is a species of lizard in the family Teiidae. The species occurs in Central America from South Mexico to Costa Rica. There are three recognized subspecies.
- 2026-09-22 — observation by mora17918
- 2025-08-21 — observation by alex_nava_hernandez
- 2025-08-21 — observation by javiperezsoza
- 2025-08-09 — observation by dani1212
- 2024-08-14 — observation by soulbiol
- 2023-06-25 — observation by zihuadean
Interactive card with more photos, sounds and similar species Reptiles & amphibians guide iNaturalist Wikipedia
Cite as: “Rainbow Ameiva (Holcosus undulatus) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/holcosus-undulatus/, updated 2026-09-26. Observation counts and months come from iNaturalist research-grade records within about 50 km of 17.8375°N, 101.7606°W (the survey box also takes in Zihuatanejo, Ixtapa and Troncones); summary text from Wikipedia where present.