Olive Sparrow
Arremonops rufivirgatus
About This Species
A skulking bird of dense thorn scrub in southern Texas and Mexico, usually detected by its dry, accelerating trill before it is seen, staying low and moving through tangled brush rather than perching in the open. Patience at the edge of brushy cover, especially near water in dry habitat, offers the best chance of a clear look. It is a year-round resident, so any season works, though it can be more vocal and easier to locate in spring.
Ethical Viewing Guidelines
- Because this species relies on staying hidden, the least disruptive approach is to wait quietly at the edge of cover rather than pushing into dense brush to flush it.
- It is protected under the Migratory Bird Treaty Act in the United States, and under separate wildlife law in Mexico where enforcement varies, so avoid extended playback that repeatedly draws a bird out of cover.
- Limiting time at any one thicket reduces stress on birds that depend on that cover for safety.
LCAvesPasseriformesPasserellidae
Seasonal Activity
178,510 sightings · 2000–2026
Citizen science records via GBIF
All monthsThis month
Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Aves
- Order
- Passeriformes
- Family
- Passerellidae
Photo
Wikimedia Commons / Wikimedia Commons
CC-BY-SA-4.0
Occurrence data from GBIF.