Tropeiro seedeater

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Tropeiro seedeater
Sporophila beltoni - Tropeiro Seedeater (male).JPG
A male Tropeiro seedeater at Lages, Santa Catarina state, Brazil
Sporophila beltoni - Tropeiro seedeater (female).JPG
Female
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Thraupidae
Genus: Sporophila
Species:
S. beltoni
Binomial name
Sporophila beltoni
Sporophila beltoni map.svg

The Tropeiro seedeater (Sporophila beltoni) is a species of birds in the tanager family. It is endemic to Brazil. Formerly lumped with the plumbeous seedeater (S. plumbea), it was described as a new species in 2013.

Contents

Etymology

The specific epithet honours American ornithologist William Belton, who made extensive studies of the vocalisations of the birds of Rio Grande do Sul. The common name alludes to the species’ breeding range and migration pattern, which is similar to the historic Rota dos Tropeiros, the drovers' road used to drive livestock to markets in south-eastern Brazil from the early 18th century to 1930. [2]

Description

The adult male is distinguished from the plumbeous seedeater by its larger size and bluish (rather than plumbeous) grey plumage, and from that and other Sporophila seedeaters, by having a robust, bright yellow beak with an arched culmen, and by vocalisations that include unique call notes. [2]

Distribution and habitat

Tropeiro seedeaters breed in upland shrubby grasslands associated with the Araucaria forests of southern Brazil. They migrate northwards to spend the austral winter – the non-breeding season – in the Cerrado savannas of central Brazil. The range contains a narrow contact zone between the Tropeiro and plumbeous seedeaters, where the birds are segregated by habitat that contains little significant gene flow. [2]

See also

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References

  1. BirdLife International (2017). "Sporophila beltoni". IUCN Red List of Threatened Species . 2017: e.T103818207A119211827. doi: 10.2305/IUCN.UK.2017-3.RLTS.T103818207A119211827.en . Retrieved 19 November 2021.
  2. 1 2 3 4 Repenning, Márcio & Fontana, Carla Suertegaray (2013). "A new species of gray seedeater (Emberizidae: Sporophila) from upland grasslands of southern Brazil". The Auk. 130 (4): 791–803. doi: 10.1525/auk.2013.12167 . S2CID   85942537.