Head to head
Tree Lizard vs Long-Tailed Brush Lizard
A tree lizard and a long-tailed brush lizard belong to the same small genus of desert climbers, yet they have taken noticeably different approaches to using the vertical surfaces they both prefer.
| Tree Lizard | Long-Tailed Brush Lizard | |
|---|---|---|
| Scientific name | Urosaurus ornatus | Urosaurus graciosus |
| Habitat range | Trees, rocks, canyon walls, varied | A single desert shrub, typically |
| Throat fan (dewlap) | Colourful, varies by population | Less prominently used in display |
| Tail length | Moderate | Exceptionally long relative to body |
| Defence strategy | Climbing, colour-shifting camouflage | Freezing motionless |
| Colour-shifting ability | Some, to match surroundings | Limited, fixed grayish tone |
| Range | Broad, southwestern US and Mexico | Southwestern US and NW Mexico |
| Conservation status | Least Concern | Least Concern |
Tree Lizard vs Long-Tailed Brush Lizard: common questions
Which of these two lizards is more likely to be seen away from a single plant?
The tree lizard is by far the more wide-ranging of the two, climbing across tree trunks, rocks, and canyon walls throughout its territory, while the long-tailed brush lizard spends nearly its entire life within the branches of a single desert shrub, rarely venturing elsewhere.
Why does the long-tailed brush lizard have such an unusually long tail?
Its exceptionally long tail, considerably longer than the rest of its body, helps it balance and stretch along the thin branches of its host shrub, an adaptation suited to a lifestyle spent almost entirely within one plant rather than moving across varied surfaces the way the tree lizard does.
Do both lizards use colour to avoid predators?
Both rely on some form of camouflage, but the tree lizard can shift its body colour somewhat to better match whatever surface it is resting on, while the long-tailed brush lizard keeps a more fixed grayish tone that already closely matches its host shrub's bark, relying more on stillness than active colour change.