São Tomé grosbeak

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São Tomé grosbeak
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Fringillidae
Subfamily: Carduelinae
Genus: Crithagra
Species: C. concolor
Binomial name
Crithagra concolor
(Bocage, 1888)

Neospiza concolor

The São Tomé grosbeak (Crithagra concolor) is the largest member of the Crithagra genus of canaries[2], 50% heavier than the next largest canary species [3], and possesses a massive bill for a member of that genus. It is endemic to the island of São Tomé.

For a long period this bird was known only from three nineteenth-century specimens. It was rediscovered in 1991. The current population is estimated at less than 50, and it is classified as critically endangered by the IUCN.[4] The main threat is habitat destruction.

The São Tomé grosbeak was formerly placed in the genus Neospiza (meaning "new finch"[2]) but was assigned to the genus Crithagra based on a phylogenetic analysis of mitochondrial and nuclear DNA sequences.[5][6]


  1. ^ BirdLife International (2013). "Crithagra concolor". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013. 
  2. ^ a b Sekar, Sandhya (5 April 2017). "World's largest canary discovered on island of giants and dwarfs". New Scientist. Retrieved 6 April 2017. 
  3. ^ Melo, M.; Stervander, M.; Hansson, B.; Jones, P. J. (2017). "The endangered São Tomé Grosbeak Neospiza concolor is the world's largest canary". Ibis. 159 (3): 673–679. doi:10.1111/ibi.12466. 
  4. ^ IUCN. "Crithagra concolor: BirdLife International". IUCN Red List of Threatened Species. doi:10.2305/iucn.uk.2016-3.rlts.t22720310a94664492.en. 
  5. ^ Melo, Martim; Stervander, Martin; Hansson, Bengt; Jones, Peter J. (2017-07-01). "The endangered São Tomé Grosbeak Neospiza concolor is the world's largest canary". Ibis. 159 (3): 673–679. doi:10.1111/ibi.12466. ISSN 1474-919X. 
  6. ^ Gill, Frank; Donsker, David (eds.). "Finches, euphonias". World Bird List Version 5.2. International Ornithologists' Union. Retrieved 5 June 2015. 

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