Orthonyx spaldingii

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Cladus: Avemetatarsalia
Cladus: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauriformes
Cladus: Dracohors
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Eusaurischia
Subordo: Theropoda
Cladus: Neotheropoda
Cladus: Averostra
Cladus: Tetanurae
Cladus: Avetheropoda
Cladus: Coelurosauria
Cladus: Tyrannoraptora
Cladus: Maniraptoromorpha
Cladus: Maniraptoriformes
Cladus: Maniraptora
Cladus: Pennaraptora
Cladus: Paraves
Cladus: Eumaniraptora
Cladus: Avialae
Infraclassis: Aves
Cladus: Avebrevicauda
Cladus: Pygostylia
Cladus: Ornithothoraces
Cladus: Ornithuromorpha
Cladus: Carinatae
Parvclassis: Neornithes
Cohors: Neognathae
Cladus: Neoaves
Cladus: Telluraves
Cladus: Australaves
Ordo: Passeriformes
Subordo: Passeri
Infraordo: Corvida
Superfamilia: Corvoidea

Familia: Orthonychidae
Genus: Orthonyx
Species: Orthonyx spaldingii
Subspecies: O. s. melasmenus – O. s. spaldingii
Name

Orthonyx spaldingii E. P. Ramsay, 1868
References

The Sydney Morning Herald p. 4
Orthonyx spaldingii – Taxon details on Integrated Taxonomic Information System (ITIS).
Orthonyx spaldingii – Taxon details on National Center for Biotechnology Information (NCBI).
IUCN: Orthonyx spaldingii (Least Concern)

Vernacular names
English: Chowchilla

The chowchilla (Orthonyx spaldingii) is a passerine bird in the family Orthonychidae. It is endemic to Australia.
Taxonomy

In their 1999 study, Schodde and Mason recognise two adjoining subspecies, O. s. spaldingii and O. s. melasmenus with a zone of intergradation.[2]
Description

Unmistakable thrush-like, ground-dwelling, birds. Males and females largely dark brown with white eye-ring, tail-feather shafts extend as spines beyond feather-vanes; males with white throat, breast and belly; females with bright rufous throat and upper breast, white lower breast and belly.
Distribution and habitat

The chowchilla is restricted to upland and lowland tropical rainforests of north-eastern Queensland.
Behaviour
Diet

Mainly invertebrates, but also small vertebrates.
Voice

Continuous chattering, singing and other complex vocalisations.
Breeding

Nests on or near ground, often on ferns, stumps or logs. Builds a bulky, dome-shaped stick-nest with a clutch of one, possibly sometimes two, white eggs.
Gallery

Near Mount Lewis – Australia
Male (left). female (right)

References

BirdLife International (2017). "Orthonyx spaldingii". IUCN Red List of Threatened Species. 2017: e.T22704977A118670720. doi:10.2305/IUCN.UK.2017-3.RLTS.T22704977A118670720.en. Retrieved 13 November 2021.

Schodde R, Mason IJ (1999). The Directory of Australian Birds : Passerines. A Taxonomic and Zoogeographic Atlas of the Biodiversity of Birds in Australia and its Territories. Collingwood, Australia: CSIRO Publishing. pp. x 851 pp. ISBN 0-643-06456-7.

BirdLife International. (2007). Species factsheet: Orthonyx spaldingii. Downloaded from [1] on 9 August 2007
Higgins, P.J.; & Peter, J.M. (eds). (2003). Handbook of Australian, New Zealand and Antarctic Birds. Volume 6: Pardalotes to Shrike-thrushes. Oxford University Press: Melbourne. ISBN 0-19-553762-9