Brown-headed Cowbird
Molothrus ater
Spanish: Tordo cabeza café

The brown-headed cowbird is a small, obligate brood parasitic icterid native to temperate and subtropical North America. It is a permanent resident in the southern parts of its range; northern birds migrate to the southern United States and Mexico in winter, returning to their summer habitat around March or April. Most often recorded in May, Apr, Mar.
- 2020-05-30 — observation by paulmedrano
- 2019-04-04 — observation by santiagob1986
- 2019-03-17 — observation by santiagob1986
Interactive card with more photos, sounds and similar species Birds guide iNaturalist Wikipedia
Cite as: “Brown-headed Cowbird (Molothrus ater) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/molothrus-ater/, updated 2026-09-26. Observation counts and months come from iNaturalist research-grade records within about 50 km of 17.8375°N, 101.7606°W (the survey box also takes in Zihuatanejo, Ixtapa and Troncones); summary text from Wikipedia where present.