Basic Information
Scientific classification
- Chinese name: Scarlet-rumped Toucan
- Scientific name: Crimson-rumped toucanet (Aulacorhynchus haematopygus)
- Classification: Climbing birds
- Family and genus: Order Toucanidae, family Toucanidae, genus *Green Toucan*
Vital signs data
- Body length: No verification information available.
- Weight: No verification information available.
- Lifespan: No verification data available.
Significant features
Distribution and Habitat
The Scarlet-rumped Toucan is found in South America (including Colombia, Venezuela, Guyana, Suriname, Ecuador, Peru, Bolivia, Paraguay, Brazil, Chile, Argentina, Uruguay, and the Falkland Islands).
Appearance
The Scarlet-rumped Toucan somewhat resembles a hornbill in appearance. Its plumage is predominantly green, with a bluish-green chest, darker wings and back, and a red patch on the tail. The beak is brown with black spots and a white stripe at the base. Despite its large size, the beak is relatively light, weighing less than 30 grams. The beak bone has a unique structure; it is not a dense solid but rather a thin shell with a porous, spongy structure filled with extremely fine fibers, allowing it to feel no pressure.
Detailed introduction
The Crimson-rumped toucan, scientifically known as *Aulacorhynchus haematopygus*, has two subspecies.

The song of the Scarlet-rumped Toucan is typically a long, off-key guttural chorus, resembling frog croaks, dog barks, and dry, clicking sounds, making it one of the noisiest forest birds. It inhabits mountain forests at altitudes of 1,000–3,600 meters, preferring to perch in the treetops. When eating, it first pecks at its food with the tip of its beak, then tilts its neck back, tosses the food upwards, and then opens its large beak to accurately swallow the food, avoiding the time spent "swallowing" through its long beak. It is omnivorous, feeding on fruits, seeds, and insects.

The Crimson-rumped Giant-beaked Bird carves burrows in decaying trees, building its nest high inside the hollow. Both parents care for the chicks, but there's no clear responsibility for night watch. Large droppings and debris are pecked out of the nest with their beaks, keeping it quite tidy. Sometimes, they also raid nests, eating the eggs and chicks. They lay 2-4 eggs at a time. The smooth, white eggs are placed in the unlined burrow and incubate for about 16 days. The hatched chicks are completely naked and take at least three weeks to open their eyes. They begin their independent lives about 45 days after hatching.
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