Babban aku rawaya-crested

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Sulphur-crested aku (Cacatua galerita)

A hoto: wikimedia.org

Bayyanar da bayanin babban aku rawaya-crested

Wani babban aku mai launin rawaya shine ɗan guntun wutsiya mai matsakaicin tsayin jiki kusan 50 cm kuma nauyi har zuwa 975 g. Babban launi na jiki shine fari, gashin fuka-fuki masu launin rawaya a gefen fuka-fuki da wutsiya. Ƙarfin yana da tsayi, rawaya. Zoben na gefe ba shi da farin gashin fuka-fukai. Baƙar fata yana da ƙarfi launin toka-baki. Mace rawaya-crested parrots bambanta da maza a ido launi. Maza suna da idanu masu launin ruwan kasa-baƙar fata, yayin da mata ke da idanu orange-launin ruwan kasa.

Akwai sanannun nau'ikan nau'ikan 5 na babban aku mai launin rawaya, wanda ya bambanta da abubuwan launi, girman da wurin zama.

Tsawon rayuwa na babban aku rawaya-crested tare da kulawa mai kyau - kimanin shekaru 65.

Habitat da rayuwa a cikin yanayi na babban rawaya-crested aku

Wani nau'in babban aku mai launin rawaya yana zaune a arewaci da gabashin Ostiraliya, a tsibirin Tasmania da Kangaroo, da kuma a New Guinea. Ana kiyaye nau'in a Indonesiya, amma yana ƙarƙashin farauta. Hakanan yana fama da asarar muhalli. Manyan aku masu launin rawaya suna rayuwa a cikin dazuzzuka daban-daban, a cikin gandun daji kusa da fadama da koguna, a cikin mangroves, filayen noma (ciki har da gonakin dabino da gonakin shinkafa), savannah da kusa da birane.

A Ostiraliya, ana kiyaye tsaunuka har zuwa mita 1500 sama da matakin teku, a Popua New Guinea har zuwa mita 2400.

A cikin abinci na babban rawaya-crested aku, tsaba na ganye daban-daban, weeds, tushen daban-daban, kwayoyi, berries, furanni, da kwari. Ziyarci ƙasar noma tare da masara da alkama.

Galibi ba sa yawo, amma wani lokacin sukan tashi tsakanin tsibiran. Wani lokaci sukan ɓace cikin garken nau'ikan nau'ikan nau'ikan har zuwa mutane 2000. Mafi yawan aiki sune manyan aku masu launin rawaya a cikin sa'o'i kadan. Yawancin lokaci suna nuna halin surutu kuma a bayyane.

A cikin hoton: babban aku rawaya-crested. Hoto: maxpixel.net

Haihuwar babban aku mai launin rawaya-crested

Yawancin lokaci, manyan aku masu launin rawaya suna zama gida a cikin ramukan bishiyoyi tare da bankunan koguna a tsayin har zuwa mita 30. Kamun yakan ƙunshi qwai 2-3. Duk iyaye biyu suna yin cuba na kwanaki 30.

Sulphur-crested kajin sun bar gida a kusan makonni 11. Domin watanni da yawa, iyaye suna ciyar da kajin.

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