Least Tern
Sternula antillarum
Spanish: Charrán mínimo

The least tern (Sternula antillarum) is a species of tern that breeds in North America and locally in northern South America. It is closely related to, and was formerly often considered conspecific with, the little tern of the Old World. Other close relatives include the yellow-billed tern and Peruvian tern, both from South America. Most often recorded in May.
- 2026-05-09 — observation by soulbiol
- 2020-05-10 — observation by lmvz
Interactive card with more photos, sounds and similar species Birds guide iNaturalist Wikipedia
Cite as: “Least Tern (Sternula antillarum) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/sternula-antillarum/, 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.