---
title: "Flat-tailed Horned Lizard"
description: "Phrynosoma mcallii — Répteis. The flat-tail horned lizard (Phrynosoma mcallii), also known commonly as the flat-tailed horned lizard, is a species of lizard in the family Phrynosomatidae."
canonical: https://animalchecklist.com/pt/animal/flat-tailed-horned-lizard
last_updated: 2026-09-20
---

# Flat-tailed Horned Lizard

> Phrynosoma mcallii — Répteis. The flat-tail horned lizard (Phrynosoma mcallii), also known commonly as the flat-tailed horned lizard, is a species of lizard in the family Phrynosomatidae.

- Scientific name: *Phrynosoma mcallii*
- Category: `reptiles` (Répteis)
- Habitats: `desert` (Deserto)
- iNaturalist observations: 1210
- Wikidata: [Q339057](https://www.wikidata.org/wiki/Q339057)
- iNaturalist taxon: [36314](https://www.inaturalist.org/taxa/36314)

## Names

- en: Flat-tailed Horned Lizard
- es: Camaleón de cola plana
- nl: Flat-tail horned lizard

## Countries with the most observations

US (961), MX (198)

## Summary

The flat-tail horned lizard (Phrynosoma mcallii), also known commonly as the flat-tailed horned lizard, is a species of lizard in the family Phrynosomatidae. A species of reptile, it is endemic to the Sonoran Desert of the southwestern United States and northwestern Mexico. Its multiple adaptations for camouflage help to minimize its shadow. The species is threatened, with a restricted range under pressure from human activities such as agriculture and development, and is specially protected in the United States.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Flat-tail_horned_lizard

## Photo

![Flat-tailed Horned Lizard](https://animalchecklist.com/img/animals/flat-tailed-horned-lizard/medium.jpg)

Photo: Leah Gardner · CC0 · inaturalist — https://www.inaturalist.org/observations/110041701

## Machine access

`GET https://animalchecklist.com/api/v1/animals/flat-tailed-horned-lizard?lang=pt` — see [openapi.json](https://animalchecklist.com/openapi.json).