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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Subsectio: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Theropoda
Cladus: Neotheropoda
Infraclassis: Aves
Cladus: Euavialae
Cladus: Avebrevicauda
Cladus: Pygostylia
Cladus: Ornithothoraces
Cladus: Euornithes
Cladus: Ornithuromorpha
Cladus: Ornithurae
Cladus: Carinatae
Parvclassis: Neornithes
Cohors: Neognathae
Ordo: Apodiformes

Familia: Trochilidae
Subfamilia: Trochilinae
Genus: Ocreatus
Species: O. addae – O. peruanus – O. underwoodii

Ocreatus Gould, 1846

Typus: Ornismya underwoodii Lesson, 1832 = Ocreatus underwoodii


Spathura Gould, 1849 Monogr.Trochil. pl. 162, text BHL

Primary references

Proceedings of the Zoological Society of London. Pt14 no.164 86 BHL

Additional references

Schuchmann, K-L., Weller, A-A. & Jürgens, D. 2016. Biogeography and taxonomy of racket-tail hummingbirds (Aves: Trochilidae: Ocreatus): evidence for species delimitation from morphology and display behavior. Zootaxa 4200(1): 83–108. DOI: 10.11646/zootaxa.4200.1.3. Reference page.

Vernacular names
Deutsch: Flaggensylphe
English: Booted Racket-tails
suomi: Lippupyrstökolibri
français: Haut-de-chausses à palettes
magyar: Lobogós kolibri

The booted racket-tails are a small group of hummingbirds in the genus Ocreatus that was long considered to have only one species, O. underwoodii. The genus was first recognized by John Gould in 1846. Field research by Karl-L. Schuchmann published in 2016, however, found notable differences between some populations traditionally assigned to O. underwoodii, and recommended that the taxa annae, addae, and peruanus be raised to species level.[1] The research results have been mostly accepted by the International Ornithological Union, with more data required for the species status of Anna's racket-tail.[2] The American Ornithological Society has yet to recognize the split.

The genus contains three species:[3]

Peruvian racket-tail (Ocreatus peruanus)
Rufous-booted racket-tail (Ocreatus addae)
White-booted racket-tail (Ocreatus underwoodii)


Schuchmann, Karl-L.; Weller, André-A.; Jürgens, Dietmar (2016). "Biogeography and taxonomy of racket-tail hummingbirds (Aves: Trochilidae: Ocreatus): Evidence for species delimitation from morphology and display behavior". Zootaxa. 4200 (1): 83. doi:10.11646/zootaxa.4200.1.3. PMID 27988640.
"Proposed Splits/Lumps « IOC World Bird List".
Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (July 2020). "Hummingbirds". IOC World Bird List Version 10.2. International Ornithologists' Union. Retrieved 2 January 2020.

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