saíra-viúva vs sanhaço-papa-laranja

The Fawn-breasted Tanager and the Blue-and-yellow Tanager can be distinguished primarily by their plumage. The Fawn-breasted Tanager has a distinctive fawn-colored breast, while the Blue-and-yellow Tanager features a more vibrant blue and yellow coloration. Observing these color differences is key when identifying these species in the field.

Focus on the breast color: fawn-colored in the Fawn-breasted Tanager versus blue and yellow in the Blue-and-yellow Tanager. This is the most reliable field mark to distinguish between these two species.

The Fawn-breasted Tanager is characterized by its fawn-colored breast, contrasting with its blue upperparts. In contrast, the Blue-and-yellow Tanager displays a vibrant blue and yellow plumage, lacking the fawn coloration on the breast.