Biology:Rhynchocyclus

From HandWiki

Rhynchocyclus is a genus of passerine birds in the tyrant flycatcher family Tyrannidae.

Taxonomy

The genus Rhynchocyclus was introduced in 1860 by the German ornithologists Jean Cabanis and Ferdinand Heine as a replacement name for Cyclorhynchus that had been introduced in 1836 by Carl Jakob Sundevall.[1][2] The name Cyclorhynchus was preoccupied by Cyclorrhynchus that had been introduced in 1829 by Johann Jakob Kaup.[3] The type species is Cyclorhynchus olivaceus Desmarest which is a junior synonym of Platyrhynchos olivaceus Temminck, the eastern olivaceous flatbill.[4][5] The genus name Rhynchocyclus is an anagram of the original name Cyclorhynchus.[6] The latter combines the Ancient Greek κυκλος/kuklos meaning "circle" or "shield" with ῥυγχος /rhunkhos meaning "bill".[7]

The genus contains five species:[8]

Image Scientific name Common name Distribution
120px Rhynchocyclus brevirostris Eye-ringed flatbill Belize, Colombia, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, and Panama, with a slight incursion into Colombia
120px Rhynchocyclus pacificus Pacific flatbill Colombia and Ecuador.
120px Rhynchocyclus olivaceus Eastern olivaceous flatbill Brazil, Colombia, French Guiana, Guyana, Suriname, and Venezuela.
120px Rhynchocyclus aequinoctialis Western olivaceous flatbill Bolivia, Colombia, Ecuador, Panama, Peru, and Venezuela.
120px Rhynchocyclus fulvipectus Fulvous-breasted flatbill Bolivia, Colombia, Ecuador, Peru, and Venezuela.

References

  1. Cabanis, Jean; Heine, Ferdinand (1860) (in German). Museum Heineanum : Verzeichniss der ornithologischen Sammlung des Oberamtmann Ferdinand Heine, auf Gut St. Burchard vor Halberstadt. 2. Halberstadt: R. Frantz. p. 56. https://www.biodiversitylibrary.org/page/49587909. 
  2. Sundevall, Carl Jakob (1835). "Ornithologiskl System" (in Swedish). Kungliga Svenska Vetenskapsakademiens Handlingar. Series 3 23: 43-130 [83]. 1836. https://www.biodiversitylibrary.org/page/34523895. 
  3. Kaup, Johann Jakob (1829) (in German). Skizzirte Entwickelungs-Geschichte und natürliches System der europäischen Thierwelt. Darmstadt: Carl Wilhelm Leske. p. 155. https://www.biodiversitylibrary.org/page/41576578. 
  4. Gray, George Robert (1840). A List of the Genera of Birds : with an Indication of the Typical Species of Each Genus. London: R. and J.E. Taylor. p. 31. https://www.biodiversitylibrary.org/page/13668925. 
  5. Traylor, Melvin A. Jr, ed (1979). Check-List of Birds of the World. 8. Cambridge, Massachusetts: Museum of Comparative Zoology. pp. 97-98. https://www.biodiversitylibrary.org/page/14500874. 
  6. Jobling, James A.. "Rhynchocyclus". The Key to Scientific Names. Cornell Lab of Ornithology. https://birdsoftheworld.org/bow/key-to-scientific-names/search?q=Rhynchocyclus. 
  7. Jobling, James A.. "Cyclorhynchus". The Key to Scientific Names. Cornell Lab of Ornithology. https://birdsoftheworld.org/bow/key-to-scientific-names/search?q=Cyclorhynchus. 
  8. Gill, Frank; Donsker, David; Rasmussen, Pamela, eds (February 2025). "Tyrant flycatchers". IOC World Bird List Version 15.1. International Ornithologists' Union. https://www.worldbirdnames.org/bow/flycatchers/. 

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