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The ultramarine grosbeak (Cyanoloxia brissonii) is a species of grosbeak in the family Cardinalidae. It is found in a wide range of semi-open habitats in eastern and central South America, with a disjunct population in northern South America.
| Ultramarine grosbeak | |
|---|---|
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| Male in Registro, São Paulo, Brazil | |
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| female | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Cardinalidae |
| Genus: | Cyanoloxia |
| Species: | C. brissonii |
| Binomial name | |
| Cyanoloxia brissonii (Lichtenstein, MHC, 1823) | |
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| Synonyms | |
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Passerina brissonii (protonym) | |
These birds are 15 cm long. The adult male exhibits a dark-blue plumage with bright-blue upper-wings. The females and the juveniles are brown.
The ultramarine grosbeak is territorial; it doesn't fly in flocks. If a male invades the territory of another, for sure there will be a conflict with some violence.
They inhabit the edge of swamps, secondary forests and plantations. The native range of these birds extends from Northeast and central Brazil, Bolivia, Paraguay to Argentina. The also can be found northern Venezuela and Colombia. There are some morphological differences between subspecies from different regions.
Breeding
It takes place between September and February, builds its nest not far from the ground and each clutch usually has between 2 and 3 eggs. The chicks are born between 13 and 15 days after the eggs are laid.
Feeding
Feeds on seeds, fruits and insects.
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