Blue-Winged Mountain Tanager or Brassy-Breasted Tanager?
Here's how to tell the difference
Blue-Winged Mountain Tanager
Brassy-Breasted Tanager
Blue-Winged Mountain Tanager
Anisognathus somptuosus
Also known as: Yellow-tufted Mountain Tanager
General appearance
The Blue-winged Mountain Tanager is a stunning bird, best known for its vivid colors. It possesses a bright golden-yellow on the chest and belly, with a turquoise-blue crown and cheeks that extend down to the back and wings, serving as a stark contrast. This species also has a distinctive black mask around the eyes and patch in the center of the chest.
Male vs female
The sexes are mostly alike in the Blue-winged Mountain Tanager, showing no noticeable differences in physical appearance or coloration. Both sexes exhibit the same striking mix of yellow, black, and blue.
Juvenile
Juvenile Blue-winged Mountain Tanagers have a less conspicuous plumage compared to adults. Their coloration is generally duller, particularly the blue, which is darker and less vibrant. The yellow belly is also paler in juveniles. As they mature, their colors progressively intensify.
Size
6.3 - 6.7 in/1.2 - 2.0 oz
There's more to learn about Blue-Winged Mountain Tanager
View full detailsBrassy-Breasted Tanager
Tangara desmaresti
General appearance
The brassy-breasted tanager is a medium-sized bird known for its vibrant colors. It features a brilliant mix of bright green on its back and shoulders, transitioning to golden-orange on the throat and upper chest. The belly and sides are often a lighter yellowish-green. Its wings and tail are darker, with shades of black and blue.
Male vs female
Males typically display more intense coloration compared to females, particularly in the brightness of their orange and green plumage. Females may exhibit a slightly duller coloration but maintain the same general pattern. Both genders have similar physical structures, with the main distinction being the vibrancy of colors.
Juvenile
Juvenile brassy-breasted tanagers possess a more subdued color palette, with greens and yellows being less vivid compared to adults. They may appear more olive or brownish-green overall. As they mature, their coloration becomes more defined and matches the adults in brilliance and pattern.
Size
5.1 - 5.5 in/0.7 - 0.8 oz
There's more to learn about Brassy-Breasted Tanager
View full detailsHow to tell the Blue-Winged Mountain Tanager from the Brassy-Breasted Tanager
Visual differences
The Blue-Winged Mountain Tanager (6.3-6.7 in, 1.2-2.0 oz) and Brassy-Breasted Tanager (5.1-5.5 in, 0.7-0.8 oz) differ visually. The Blue-Winged has bright golden-yellow on the chest and belly with turquoise-blue wings and head, plus a black mask, whereas the Brassy-Breasted boasts a vibrant green back, golden-orange throat, and upper chest. It has darker wings and tail with black and blue hues. The Blue-Winged appears larger and more strikingly colored, while the Brassy-Breasted shows lighter yellowish-green on the belly. Both species share some blue, but in varying intensities and locations.
Key differences and behavior
The Blue-Winged Mountain Tanager and Brassy-Breasted Tanager both exhibit social foraging but differ in group dynamics; the former is quieter and forms mixed-species flocks, while the latter is lively and stays in single-species groups. The Blue-Winged prefers the higher altitudes of the Andes, whereas the Brassy-Breasted inhabits southeastern Brazil's subtropical montane forests. Both engage in vibrant courtship displays and share similar nesting and feeding habits, such as constructing cup-shaped nests and consuming insects and fruit. However, the Blue-Winged weighs more (1.2-2 oz) compared to the Brassy-Breasted (0.67-0.76 oz), and the Brassy-Breasted is known for its agility, constantly moving in search of food. Though they both frequent bird feeders, their habitat preferences and social behaviors aid in distinguishing them in the field.
Still not sure? Here are more lookalikes!
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Brassy-Breasted Tanager vs Golden-Chevroned Tanager
Brassy-Breasted Tanager vs Sayaca Tanager
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