Colubridae
Thornscrub Hook-nosed Snake
Gyalopion quadrangulare
A closer look
Black saddles cross the pale body and orange-red sides of the Thornscrub Hook-nosed Snake. In Arizona, this secretive burrower occupies a small area near the Mexican border. It often surfaces at night after rain and searches beneath cover for arthropods. It is nonvenomous to people.
- Habitat
- Mesquite-covered hills, oak-lined drainages, and gravelly grassland
- On the menu
- Spiders, scorpions, and insects
- Behavior
- A flexible hunter whose activity and escape behavior vary with habitat and temperature.
Not considered venomous to people. Observe without handling, and never corner or relocate a wild snake.
Safety & bite guidance ↗Where it is listed
A sense of place.
Checklist presence only. A highlighted state is not a local range boundary. Territory tiles are schematic.
State & territory checklist
About continuous range data
A verified habitat-model layer is not available for this species in this release. Earlier broad sketches connected jurisdiction locations; they did not show measured occurrence or USGS habitat predictions.
Use USGS distribution resources ↗ for available modeled habitat data.
Names, sources & image evidence
Also known as: No additional names recorded.
Taxonomy: provisional. Territory checklist entries may be provisional. Field descriptions include broad group-level natural-history summaries.
Research Grade iNaturalist observation 15532428 has exact taxon Gyalopion quadrangulare
Conservation & local rules
Collection, possession, relocation, and protection rules vary by state and territory. Check the relevant wildlife agency before taking action. Leave wild snakes where they are.