Cayenne all

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Cayenne all
Cayenne all

Cayenne all

Systematics
Class : Birds (aves)
Order : Crane birds (Gruiformes)
Family : Rallen (Rallidae)
Genre : Aramides
Type : Cayenne all
Scientific name
Aramides cajaneus
( Statius Müller , 1776)

The Cayenneralle ( Aramides cajaneus ) is a very large member of the Rallen family at 35 centimeters .

Appearance

This species has a red-brown to greenish-brown dorsal plumage, the belly is strong red-brown. The head and neck are gray. The short wings are red-brown to greenish-brown. The short tail is black. This species has a laterally flattened trunk. The red legs with long toes prevent the animals from sinking into the swamp. The eyes are very reddish, the long thin beak is yellow and the tip of the beak is either yellow or black. The coloring of some specimens of this species is very pale or very strong. The males are slightly larger than the females.

distribution and habitat

Distribution map of the Cayennerall

This species occurs in the swampy forest areas from Costa Rica via Bolivia , Peru to Brazil .

Way of life

a cayenne ally running over floating plants

The Cayenneralle is hidden in the thick vegetation. They are very good swimmers, but only moderate fliers. This species feeds on insects, spiders, molluscs, and plants. These animals are mainly active at dusk and at night. They sleep through the day in hiding.

Reproduction

This species builds a small, bowl-shaped nest from fresh and rotting parts of the plant. The female lays 4 spotted eggs in the nest. The female takes on the breeding business almost entirely on her own; it is only rarely replaced by the male. After 19 days the young hatch and one day later they leave and hide in the thick reeds. They are provided with food by both adult birds. When in danger or to rest, they slip under the wings of the adult birds. There are only 2 broods per year.

Subspecies

There are two known subspecies:

  • Aramides cajaneus cajaneus ( Müller, PLS , 1776) is distributed in Costa Rica, Panama, Colombia, Venezuela, Guyana, Suriname, French Guiana, Ecuador, Peru, Bolivia, Brazil, Paraguay, Uruguay and northern Argentina.
  • Aramides cajaneus avicenniae Stotz , 1992 occurs in the coastal areas in southeastern Brazil.

Aramides cajanea salmoni Chubb , 1918, Aramides cajanea grahami Chubb , 1919, Aramides cajanea peruviana Cory , 1915, Aramides cajaneus venezuelensis Cory , 1915 and Aramides gutturalis Sharpe , 1894 are now considered synonyms for the nominate form .

Danger

Due to its wider distribution and that no threats are known for this species, the IUCN classifies this species as ( Least Concern ) harmless.

Etymology and history of research

The Cayenneralle was first described in 1776 by Philipp Ludwig Statius Müller under the scientific name Fulica Cajanea . The type specimen came from Cayenne , whereby Müller referred to Poule-d'eau de Cayenne , previously described by Georges-Louis Leclerc de Buffon . It was Jacques Pucheran who introduced the new genus Aramides in 1845 . The word "Aramides" is derived from the Greek words "aramos αραμος " for "name for a heron that Hesychios of Alexandria used" and "-oidēs -οιδης " for "similar". The species name »cajaneus« refers to the origin of the type specimen. "Avicenniae" refers to the plant genus " Avicennia ", which, together with " Rhizophora ", are the most common plant genera in the range of the subspecies.

literature

  • Wildlife of America in color Page: 169 Karl Müller Verlag Erlangen 1989
  • Wilhelm Eigner Encyclopedia of Animals Volume 2 Page: 312 Weltbild Verlag 1999 ISBN 3-89350-361-7
  • James A. Jobling: Helm Dictionary of Scientific Bird Names . Christopher Helm, London 2010, ISBN 978-1-4081-2501-4 .
  • Philipp Ludwig Statius Müller: The knight Carl von Linné royal Swedish personal physician uu complete natural system. Volume of supplements and registers covering all six parts or classes of the animal kingdom. Made out with a detailed declaration . Gabriel Nicolaus Raspe, Nuremberg 1776 ( biodiversitylibrary.org ).
  • Douglas Forrester Stotz: A new subspecies of Aramides cajanea from Brazil . In: Bulletin of the British Ornithologists' Club . tape 112 , 1982, pp. 231-234 ( biodiversitylibrary.org ).
  • Jacques Pucheran: Notes sur quelques espèces Madécasses de l'ordre des Échassiers . In: Revue zoologique . tape 8 , 1845, p. 277-280 ( biodiversitylibrary.org ).
  • Charles Chubb: Mr. Charles Chubb communicated the following descriptions of new forms from South America . In: Bulletin of the British Ornithologists' Club . tape 38 , no. 231 , 1918, pp. 48-49 ( biodiversitylibrary.org ).
  • Charles Chubb: Notes on Collections of Birds in the British Museum, from Ecuador, Peru, Bolivia, and Argentinia. Part I Tinamidae-Rallidae . In: The Ibis (=  11 ). tape 1 , no. 1 , 1919, p. 1-55 ( biodiversitylibrary.org ).
  • Charles Barney Cory: Descriptions of new birds from South America and adjacent islands . In: Field Museum of Natural History Publication 182 (=  Ornithological Series ). tape 1 , no. 8 , 1915, p. 293-302 ( biodiversitylibrary.org ).
  • Richard Bowdler Sharpe: Catalog of the Fulicariae (Rallidae and Heriornithidae) and Alectorides (Aramidae, Eurypygidae, Mestidae, Rhinochetidae, Gruidae, Psophiliidae, and Otididae) in the Collection of the British Museum . tape 23 . Order of the Trustees, London 1894 ( biodiversitylibrary.org ).

Web links

Commons : Cayenneralle  - collection of images, videos and audio files

Individual evidence

  1. ↑ IOC World Bird List Flufftails, Finfoots, rails, trumpeters, cranes, limpkin
  2. ↑ a b c Philipp Ludwig Statius Müller, p. 119.
  3. ↑ a b Douglas Forrester Stotz, p. 232.
  4. ^ Charles Chubb (1918), p. 48.
  5. ^ Charles Chubb (1919), p. 53.
  6. ^ A b Charles Barney Cory (1915), p. 296.
  7. ^ Richard Bowdler Sharpe (1894), pp. 55 & 57.
  8. ^ Jacques Pucheran, p. 277
  9. ↑ James A. Jobling p. 52

Remarks

  1. ↑ Pucheran assigned the genus u. a. the Cayenneralle too.