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Yellow-bellied flyrobin

Yellow-bellied flyrobin
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Petroicidae
Genus: Cryptomicroeca
Christidis, Irestedt, Rowe, Boles & Norman, 2012
C. flaviventris
Binomial name
Cryptomicroeca flaviventris
(Sharpe, 1903)
  • Eopsaltria flaviventris
  • Microeca flaviventris

The yellow-bellied flyrobin (Cryptomicroeca flaviventris) is a species of passerine bird in the Australasian robin family Petroicidae. It is the only species in the genus Cryptomicroeca. The yellow-bellied flyrobin is endemic to New Caledonia, where it occurs on the island of Grande Terre. It occupies a range of habitats, including dry lowlands, woodland, Pinus and Pandanus forest, and humid forest from sea level up to 1,525 m (5,000 ft).


The yellow-bellied flyrobin was described in 1860 by the French ornithologists, Jules Verreaux and Oeillet des Murs, from a specimen collected in New Caledonia. They coined the binomial name Eopsaltria flavigastra.[2] The English ornithologist, Richard Bowdler Sharpe, realised that the specific epithet was preoccupied, and in 1903 he proposed flaviventris as a replacement.[3] The species was long considered one of the yellow robins of the genus Eopsaltria.[4] However, a 2009 genetic study showed it to be nested within the flyrobin genus Microeca,[5] and hence it was moved to Microeca, and its common name was changed from yellow-bellied robin to yellow-bellied flyrobin in the online list of world birds maintained by Frank Gill and David Donsker on behalf of the International Ornithological Committee (IOC).[6] A more comprehensive genetic study of the family Petroicidae, published in 2011, found that the yellow-bellied flyrobin was divergent from the other members of Microeca, and instead was sister to a clade containing the Microeca and the torrent flyrobin.[7] The yellow-bellied flyrobin is now placed as the only species in the genus Cryptomicroeca that was introduced in 2012.[6][8]


The yellow-bellied robin is a medium-sized Australasian robin, 14–15 cm (5.5–5.9 in) in length and weighing around 12 g (0.42 oz). The plumage is similar to members of the genus Eopsaltria: dark olive-grey back, tail and wings, grey head and chest with a slightly lighter throat, and yellow belly and rump. The legs are grey.


  1. ^ BirdLife International (2017). "Cryptomicroeca flaviventris". IUCN Red List of Threatened Species. 2017: e.T22704857A118826699. doi:10.2305/IUCN.UK.2017-3.RLTS.T22704857A118826699.en. Retrieved 17 November 2021.
  2. ^ Verreaux, Jules; des Murs, O. (1860). "Description d'oiseaux nouveaux de la Nouvelle-Calédonie et indication des espèces déjà connues de ce pays". Revue et magasin de zoologie pure et appliquée. 2nd series (in French and Latin). 12: 383–396 [392–393].
  3. ^ Sharpe, R. Bowdler (1903). A Hand-list of the Genera and Species of Birds. Vol. 4. London: British Museum. p. 315.
  4. ^ Mayr, Ernst; Cottrell, G. William, eds. (1986). Check-list of Birds of the World. Vol. 11. Cambridge, Massachusetts: Museum of Comparative Zoology. p. 573.
  5. ^ Loynes, K.; Joseph, L.; Keogh, J.S. (2009). "Multi-locus phylogeny clarifies the systematics of the Australo-Papuan robins (Family Petroicidae, Passeriformes)". Molecular Phylogenetics and Evolution. 53 (1): 212–219. doi:10.1016/j.ympev.2009.05.012. PMID 19463962.
  6. ^ a b Gill, Frank; Donsker, David, eds. (2019). "Australasian robins, rockfowl, rockjumpers, Rail-babbler". World Bird List Version 9.2. International Ornithologists' Union. Retrieved 18 June 2019.
  7. ^ Christidis, L.; Irestedt, M.; Rowe, D.; Boles, W.E.; Norman, J.A. (2011). "Mitochondrial and nuclear DNA phylogenies reveal a complex evolutionary history in the Australasian robins (Passeriformes: Petroicidae)". Molecular Phylogenetics and Evolution. 61 (3): 726–738. doi:10.1016/j.ympev.2011.08.014. PMID 21867765.
  8. ^ Christidis, L.; Irestedt, M.; Rowe, D.; Boles, W.E.; Norman, J.A. (2012). "Circumscription, diagnosis and description of two subfamilies and one genus of Australo-Papuan robins (Aves: Passeriformes: Petroicidae)". Zootaxa. 3560 (1): 87–88. doi:10.11646/zootaxa.3560.1.6.

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Yellow-bellied flyrobin
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