# Blue-and-yellow Tanager

*Rauenia bonariensis*

Males exhibit striking sexual dimorphism with bright blue heads and yellow bellies, while females display much duller, greenish-brown plumage for nesting camouflage.

- **Taxonomy:** Animalia › Chordata › Aves › Passeriformes › Thraupidae › Rauenia
- **IUCN Red List status:** Least Concern
- **Population trend:** stable
- **Biome:** forest
- **Habitat:** Open woodlands, forest edges, gardens, and shrublands.
- **Diet:** Omnivorous, feeding on fruits, berries, seeds, and small insects.
- **Range:** Argentina, Brazil, Bolivia, Paraguay, Uruguay, Peru
- **Size:** 16-18 cm in length, weighing 30-40 grams.
- **Lifespan:** 3-5 years in the wild.
- **Active:** diurnal
- **Threats:** Habitat fragmentation, urbanization, and the illegal pet trade.
- **Safe to approach?:** Harmless. Observe from a safe distance (5-10 meters) with binoculars to avoid disrupting its foraging. If a chick is found on the ground, leave it be unless injured, as parents are likely nearby.

## About

The blue-and-yellow tanager ( Rauenia bonariensis ) is a species of bird in the tanager family Thraupidae.

## Sources

- Plate: https://gaia-dex.com/species/e48f0c84-b995-4916-bc27-5c664488c065
- iNaturalist: https://www.inaturalist.org/taxa/1289360
- Wikipedia: https://en.wikipedia.org/wiki/Rauenia bonariensis
- Conservation status: IUCN Red List category, as recorded by Gaia-Dex
- Photo: https://inaturalist-open-data.s3.amazonaws.com/photos/169931554/medium.jpeg (Esteban Poveda, CC-BY, via iNaturalist)

Habitat, diet, size and similar notes are AI-written summaries; check them against the linked sources before relying on them.