Slaty elaenia

Slaty elaenia ( Elaenia strepera ) wani nau'in tsuntsu ne a cikin dangin Elaeniinae na dangin Tyrannidae, azzalumi masu tashi.  Ana samunsa a Argentina, Bolivia, Colombia, Peru, da Venezuela, kuma a matsayin baƙo a Ecuador da Trinidad. 

 Taxonomy da kuma tsarin 
Slaty elaenia shine monotypic . Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. 

 Bayani 
Slaty elaenia shine  tsayi kuma yana auna  ku. Karamar elaenia ce mai ƴar ƙirji. Manya maza suna da kai mai shuɗi-launin toka mai ɗan fararen kunci, farar ido siriri, da farar faci a ɗan ɓoye a tsakiyar kambi. Babban sassansu masu launin shuɗi ne. Fuka-fukansu galibi launin toka ne; sun dan yi haske a gefuna na gashin fuka-fukan jirgin da tukwici na rufaffiyar . Ƙarshen yana nunawa azaman sanduna marasa ƙarfi biyu akan rufaffiyar reshe. Wutsiyarsu tana yamma. Maƙogwaronsu fari ne zuwa launin toka, ƙirjinsu da ɓangarorinsu launin toka ne, ciki da wutsiyansu fari ne. Manya mata suna da wankin zaitun a saman su, fitattun sandunan fuka-fuki masu kauri fiye da na namiji, makogwaro da ruwan zaitun mai launin toka da nono, da farin ciki mai rawaya. Duk jinsin biyu suna da iris mai launin ruwan kasa mai duhu, lebur, faffaɗa, lissafin baƙar fata tare da tushe mara kyau na orange zuwa mandible, da ƙafafu da ƙafafu baƙar fata.Hosner, P. (2020). Slaty Elaenia (Elaenia strepera), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.slaela1.01 retrieved September 28, 2024

 Rarraba da wurin zama 
Slaty elaenia yana haifuwa a gabashin gangaren Andes daga yammacin Sashen Santa Cruz a Bolivia kudu zuwa arewa maso yammacin Argentina har zuwa lardin La Rioja . Bayan lokacin kiwo, ƙaura zuwa arewa ta gabas ta Peru zuwa kudu maso gabashin Colombia da gabashin Venezuela. Ya bayyana a matsayin baƙar fata a lokacin ƙaura a gabashin Ecuador da kuma a matsayin "mai girman kai" a kan Trinidad. Babu wasu bayanai da aka tabbatar a Brazil.McMullan, Miles; Donegan, Thomas M.; Quevedo, Alonso (2010). Field Guide to the Birds of Colombia. Bogotá: Fundación ProAves. p. 148. ISBN 978-0-9827615-0-2.      

A lokacin kiwo, slaty elaenia yana zaune a ɗan buɗaɗɗen gandun daji da gefuna na gandun daji, sau da yawa tare da magudanar ruwa. A cikin wannan lokacin yana girma tsakanin  . An yi imanin yin amfani da nau'ikan mazaunin iri ɗaya yayin wucewa ta Peru. A Colombia da Venezuela kuma yana faruwa galibi akan gefuna dazuzzuka da ɗan buɗe ido. A Venezuela ya kai tsayin .

 Hali 
Kamar yadda aka ambata a sama, slaty elaenia cikakken ɗan ƙaura ne, yana barin kewayon kiwo zuwa hunturu a arewacin Kudancin Amurka. 

 Ciyarwa 
Slaty elaenia yana ciyar da kwari da ƙananan 'ya'yan itatuwa. Yawanci yana cin abinci guda ɗaya ko biyu; a kan wuraren damina ba yakan haɗa nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan kiwo ne . Yana kama ganima kuma yana diban 'ya'yan itace ta hanyar yin kalar sa'ad da yake zaune da kuma yayin da yake shawagi na ɗan lokaci, kuma yana kama kwari masu tashi a kan reshe.   

 Kiwo 
Slaty elaenia yana haifuwa tsakanin Oktoba da Fabrairu. Gidanta ƙoƙo ne da aka yi da ƙananan rassa da ganye kuma yawanci ana sanya shi a cikin cokali mai yatsu na reshe kusan  sama da ƙasa. Kama kwai biyu ne. Ba a san lokacin shiryawa, lokacin zuwa ƙuruciya, da cikakkun bayanai game da kulawar iyaye ba. Slaty elaenia yana magana ne kawai a cikin kewayon kiwo. Kiranta na farko shine "bushe, 'eh-eh-ehhhhhh'" wanda ya bambanta da sauran elaenias; an kwatanta shi da sautin kwadi ko fara. 

 Matsayi 
IUCN ta kimanta slaty elaenia a matsayin mafi ƙarancin damuwa. Yana da babban kewayon; Ba a san girman yawanta ba kuma an yi imanin yana raguwa. Kawo yanzu dai ba a gano wata barazana ba.  Ana la'akari da shi a cikin gida a cikin kewayon kiwo, mai wuya a Peru kuma ba a sani ba a Colombia, kuma an san shi daga 'yan bayanan kawai a Venezuela.     Yana faruwa a wuraren shakatawa na ƙasa a Argentina hanyar ƙaura, da kuma cikin kewayon lokacin hunturu. "Ko da yake Yungas a La Paz da Cochabamba (Bolivia) har yanzu 90% m, c. 60% na gandun daji na Boliviano-Tucumano Semi-evergreen zone na S Bolivia da Argentina an share ko kuma da damuwa, yafi ga makiyaya; manyan yankunan a Bolivia kuma sun lalace, yin mulkin mallaka da kuma hanyar da za a yi amfani da su. " 

 Manazarta