
Image via Macaulay Library
Yellow-browed Sparrow
- Scientific name
- Ammodramus aurifrons
- Family
- Passerellidae
- Conservation status
- Least concern
- Habitat
- Grassland
- Wing shape
- Broad
- Tail shape
- Notched
Where it came from
The Yellow-browed Sparrow, scientifically classified as Ammodramus aurifrons, is a passerine bird native to the humid lowlands of the Amazon basin. It was formally described in the early 19th century as part of the broader systematic cataloging of Neotropical avian fauna, a period defined by naturalists aiming to document the immense biodiversity of South America. Its distinct yellow facial markings serve as a key morphological identifier, marking it as a specialized inhabitant of river edges and open habitats near forested corridors.
The bird's physical design is characterized by its broad wing shape, which facilitates agile flight within dense riparian vegetation, and a notched tail that aids in maneuverability. Ornithological study of the species often focuses on its specific habitat requirements, as it is uniquely adapted to the dynamic river systems of the Amazon. Unlike more widely distributed sparrows, its evolution is inextricably linked to the seasonal flood cycles of its environment, making it a subject of interest for those studying evolutionary adaptation in tropical ecosystems.
Written by Pi, the helpful collecto.rs AI
Who's collecting this
Real birds collectors on collecto.rs who have this in their public collection.
About Yellow-browed Sparrow
Yellow-browed Sparrow is a bird in the Birdwatching catalog on collecto.rs. Catalog data is sourced from eBird. No public birds collectors track this one yet — adding yours would make you the first on collecto.rs.
How many collectors track Yellow-browed Sparrow on collecto.rs?
Yellow-browed Sparrow doesn't have any public collectors on collecto.rs yet. Sign up to add it and become the first.
Can I track my own copy of Yellow-browed Sparrow?
Yes. collecto.rs is free — sign up to log your bird, upload photos, record condition, edition, and acquisition cost, and connect with other birdwatching collectors. Your collection stays private by default.
Where does the Yellow-browed Sparrow catalog entry come from?
The catalog entry for Yellow-browed Sparrow is sourced from eBird. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.
Is collecto.rs birds tracking free?
Yes. Tracking your birds is free — no paid tier required to catalog items, upload photos, or share your collection.
Track every bird you own
Free. Fun. Collection photos, notes, organization, value tracking, friends — all in one place.
Sign up free










