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Aña is a Tukano constellation for snake,  Snake Large Anus. This snake corresponds to our brightest Big Dipper stars. In a legend when this constellation touches the horizon after the sunset almost all fishes in the main river are swallowed by it.

==Etymology and History==
[[File:Calendario Tukano.png|thumb|One circular calendar developed in 2007, Calendario Tukano]]
Variant Spelling:

* Cobra de Ânus Grande (Portugese)

Constellations within Tukano astronomical culture are related with natural phenomena as a whole. In general, Tukano constellation, or parts of it, are observed when its setting occurs, like the sunset (heliacal setting) during the short period of an year. There are an amount of natural phenomena related with this astronomical event. For example we can consider Aña’s head setting during November and its relation with the increase and decrease of the Tiquié river level. The variation of the river level is accompanied with an emerging of different fishes which appear as the result of these changeable natural conditions. Other larger fishes follow the first group for multiple purposes (eating smaller ones for example). All of them eat some fruits which eventually fall over the river surface. Ground animals and microorganisms are interested on these fruits, as well as either. So, a phenomenon first described as an astronomical set for us can be seen inside a more complex behavior for Tukanos and their neighbors around this region. Animals, plants and also spiritual manifestations are in a complex relationship under the cosmological view that we can’t more ignore.<ref>Cardoso (online). Tukano sky culture in Stellarium, <nowiki>https://github.com/stellarium/stellarium</nowiki> , printed in Hoffmann and Wolfschmidt (eds., 2022), Astronomy in Culture --Cultures of Astronomy. Astronomie in der Kultur--Kulturen der Astronomie.: Featuring the Proceedings of the Splinter Meeting at the Annual Conference of the Astronomische Gesselschafb Sept. 14-16, 2021, tredition, Ahrensburg (Germany): 730-732.</ref>

==Mythology==

==IAU Working Group on Star Names==
==Weblinks==
==Reference==
*[[References|References (general)]]


[[Category:Asterism]] [[Category:Constellation]] [[Category:UMa]]  [[Category:Tukano]] [[Category:South American]] [[Category:American]]