And that is a “Most Likely” identification from iNaturalist and eBird with a definite from Google Lens. 🙂 I photographed it outside the gate of Roca Verde in Barrio Boquerón and we do have a lot of adult Yellow-faced Grassquits here, especially around the cow pasture, so it is a pretty safe ID. 🙂 See photos of adults in my gallery Yellow-faced Grassquit (linked).
¡Pura Vida!