Birds diurnal

Blue-and-yellow Tanager

Rauenia bonariensis

A vibrant splash of cobalt and gold, the Blue-and-yellow Tanager is one of the most stunning frequent flyers in South American backyards. Its bold colors and social nature make it a top prize for backyard bird photographers.

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Quick Identification

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Size

Length: 16–18 cm (6.3–7.1 in); Weight: 31–40 g (1.1–1.4 oz)

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Colors

Males feature a brilliant cobalt blue head, nape, and shoulders contrasted with a bright yellow or orange-yellow breast and rump. Females are drabber, with olive-brown tones and subtle blue washes on the wings.

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Key Features

Striking cobalt blue head and neck (males)
Vibrant yellow-orange underparts and rump
Short, stout black conical bill
Black wings and tail with blue feather edges

When You’ll See Them

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Activity pattern diurnal

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Peak hours 6:30 AM - 10:30 AM and 3:30 PM - 6:00 PM

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Season Year-round, with increased visibility during the spring and summer breeding months.

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Diet Omnivorous; primarily feeds on a variety of small fruits and berries, but also expertly gleans insects and larvae from the undersides of leaves. They are frequent visitors to bird feeders offering fruit or suet.

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Habitat Open woodlands, forest edges, suburban gardens, city parks, and agricultural areas with scattered trees.

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Behavior

The Blue-and-yellow Tanager is a lively and social bird, frequently seen moving in pairs or small family groups. They are particularly active in the mid-to-upper canopy of trees, though they aren't shy about descending to eye level in suburban gardens or parks. Their flight is direct and undulating, often accompanied by short, metallic calling notes that help the pair stay in contact while foraging.

While they can be territorial during the breeding season, they are generally peaceful toward other species and are often found in 'mixed-species flocks' where different types of birds forage together for safety. They have adapted exceptionally well to human presence, making them a common sight in backyard environments across South America, where they are valued for their striking plumage and active personality.

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Camera Tips

To capture high-quality images of the Blue-and-yellow Tanager, camera placement is everything. These birds are drawn to water and food sources, so mounting your camera near a bird bath or a specialized fruit feeder is your best bet. Position the camera at a height of 5 to 6 feet, angled slightly downward toward a landing perch rather than the feeder itself. This captures the bird in a more natural pose before it begins eating.

Because tanagers are fast and prone to sudden movements, set your AI-powered camera to its highest trigger speed. If your device allows for 'Burst Mode' or 'Photo-to-Video' transitions, enable them. This ensures you catch the moment the male flashes his brilliant yellow rump or blue wings during takeoff. Lighting is critical for these colors; try to place your camera in a spot that receives early morning sun, which will make the cobalt blue head truly pop against the green foliage.

If you are using a trail camera in a more wooded area, look for native fruiting trees like figs or berries. Place the camera on a sturdy branch about 3-4 feet away from a cluster of ripening fruit. During the drier months, a dripping water feature is an irresistible lure. The sound of moving water will bring them down from the canopy right in front of your lens.

For the best results, use a high-resolution setting (1080p or 4K) as the fine detail in their feathers is what makes these shots spectacular. Avoid placing the camera where it will be triggered by wind-blown leaves, as the high-activity areas these birds prefer are often breezy. A fast shutter speed setting will help eliminate motion blur during their quick hopping movements.

Similar Species

Species that look similar or are commonly confused with Blue-and-yellow Tanager.

Sayaca Tanager

Lacks the bright yellow breast; has a more uniform, pale dusty-blue plumage across the entire body.

Burnished-buff Tanager

Features a distinct black mask and a more golden-buff body color rather than the bright yellow of the Blue-and-yellow Tanager.

Saffron Finch

Smaller and almost entirely yellow with an orange forehead, lacking the dramatic blue head and black wings of the tanager.

Frequently Asked Questions

They are most active during the early morning hours, shortly after sunrise, and again in the late afternoon before dusk as they forage for food to fuel their high metabolism.

The best way to attract them is by planting native fruit-bearing shrubs or placing platform feeders stocked with sliced oranges, bananas, or papaya. A clean, moving water source like a bird bath with a dripper is also highly effective.

Their diet is a mix of fruits, berries, and insects. In a backyard setting, they are especially fond of soft fruits and will occasionally visit suet feeders during cooler weather.

Yes, they are highly adaptable and are among the most common tanagers found in suburban gardens, parks, and urban green spaces throughout their range in South America.

While both are common, the Blue-and-yellow Tanager male has a distinct bright yellow breast and a deep cobalt head, whereas the Sayaca Tanager is almost entirely a uniform pale bluish-grey.

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