En bref

• Scientific Name: Saltator maxillosus
• Spanish Name: Saltador piquigrueso
• Famille : Thraupidae
• Known Nicknames: Thick-billed Saltator
• Average Length: 20–22 cm / 7.9–8.7 in
• Average Weight: 50–65 g / 1.8–2.3 oz
• Wingspan: 28–32 cm / 11–12.6 in
• Key Feature: Thick, heavy bill with a distinctively swollen base
• Régime alimentaire principal : Principalement frugivore
• Range: South-central Brazil (Minas Gerais, São Paulo, Paraná, Santa Catarina, Rio Grande do Sul) and adjacent northeastern Argentina (Misiones)
• Habitat: Atlantic Forest, especially humid montane forest and forest edges
• Structure sociale : Solitaires ou en couples
• Nesting/Breeding: Cup-shaped nest in tree forks or shrubs
• Statut de conservation : Préoccupation mineure (LC)
• Évolution démographique : En baisse

The Thick-billed Saltator (*Saltator maxillosus*) is a striking songbird endemic to the Atlantic Forest of southeastern Brazil, instantly recognizable by its most distinctive feature: an unusually large, deep, and powerful bill that seems almost comically oversized for its body. This robust beak is a specialized tool for cracking tough seeds and fruits, setting it apart from its more slender-billed relatives. Cloaked in elegant slate-gray plumage above, with a white throat bordered by a bold black malar stripe and a warm cinnamon-rufous belly, it presents a handsome, chunky silhouette as it forages in the forest understory. A special feature of this species is its loud, clear, and musical song, often delivered as a duet between mates, which rings through its humid forest home and helps defend its territory. Despite its impressive bill, it is a shy and relatively uncommon bird, making a sighting of this unique saltator a true prize for birdwatchers.

Faits amusants

The thick-billed saltator’s massive, parrot-like beak is so powerful it can crack open hard palm nuts that other birds avoid, often using its feet to hold the fruit steady while chiseling into it. It has a quirky habit of “anting,” where it deliberately lets ants crawl through its feathers to secrete formic acid, which helps remove parasites and soothes skin. Unlike most songbirds, both parents actively sing together in a synchronized duet to defend their territory, a rare cooperative vocal display. Its plumage subtly changes hue with diet—individuals eating more carotenoid-rich fruits develop a deeper olive wash on their flanks, acting as a living indicator of local food abundance.

Habitats et répartition

The Thick-billed Saltator is primarily found in the Atlantic Forest biome of southeastern Brazil, extending into adjacent areas of northeastern Argentina, eastern Paraguay, and possibly extreme eastern Bolivia. Its core range spans the Brazilian states of Minas Gerais, Espírito Santo, Rio de Janeiro, São Paulo, Paraná, Santa Catarina, and Rio Grande do Sul. This species inhabits humid montane and submontane forests, as well as forest edges, secondary growth, and shaded coffee plantations or orchards. It is most commonly associated with dense understory vegetation in both lowland and foothill forests, typically occurring from sea level up to around 2,200 meters in elevation, though it is more frequent at middle to higher altitudes within its distribution.

Comportements & Reproduction

The Thick-billed Saltator is generally observed in pairs or small family groups, suggesting a monogamous social structure that persists beyond a single breeding season. During courtship, the male performs a soft, melodic song while hopping around the female with puffed feathers and a slightly drooped tail, often presenting nesting material or food as an offering. The pair collaboratively builds a bulky, cup-shaped nest of twigs and grass, typically placed in dense foliage three to six meters above ground. The female lays two to three pale blue eggs with dark speckles, and both parents share incubation duties for roughly 13 to 14 days. After hatching, the adults feed the chicks a diet of insects and soft fruits, with fledging occurring around 15 to 17 days post-hatch. A unique reproductive strategy is their tendency to reuse and reinforce the same nest for multiple broods within a single season, reducing energy expenditure on construction.

Alimentation

The Thick-billed Saltator is primarily granivorous, with seeds and grains forming the bulk of its diet, but it is also an opportunistic frugivore that consumes a variety of fruits and berries, such as those from melastomes and palms. Unlike many other saltators, it shows a notable preference for hard seeds, which it efficiently cracks with its robust, thick bill. Interestingly, it will occasionally supplement its plant-based diet with small arthropods, including insects and spiders, particularly during the breeding season when protein demands increase for chick rearing.

Couleurs

The Thick-billed Saltator has a slate-gray head, back, and wings, with a bold white supercilium and throat. Its underparts are pale buffy-gray, and the stout, thick bill is bright orange-red. The tail shows white tips on the outer feathers, and there are no complex camouflage adaptations; its coloration is typical for open woodland and scrub habitats.

Distribution Map

Places linked to this species. A sighting is never guaranteed.

Détails de l'attraction

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