Chestnut-sided Warbler

(Dendroica pensylvanica)


Small olive-green bird with black tail, black wings with 2 yellowish bars, light gray chest / belly; male with brown streak on each side, female often with inconspicuous streak; 11cm (4.5in). (Reinita, Reinita de Costillas Castañas).


Low, middle, and some high elevation forests, Caribbean and Pacific slopes; found in tree canopyand shrubs in more open wooded sites such as forest edges, tree plantations, gardens. This species is a non breeding seasonal migrant.

Found in the following Parks:

Arenal Volcano National Park.
Braulio Carrillo National Park.
Carara National Park.
Cahuita National Park.
Caño Negro National Wildlife Refuge.
Corcovado National Park.
La Amistad National Park.
La Selva Biological Reserve.
Manuel Antonio National Park.
Monteverde Cloud Forest Reserve (Fotos).
Palo Verde National Park.
Rincón de La Vieja National Park.
Santa Rosa Nacional Park.
Tortuguero National Park.
Robert & Catherine Wilson Botanical Garden.

Chestnut-sided Warbler (Dendroica pensylvanica), Costa Rica