An gano ƙaura da kuma lokacin hunturu na manyan Egrets na ƙasar Sin masu rauni (Egretta eulophotes) ta hanyar bin diddigin GPS.

Nau'in Avian (Avian):Egrets na ƙasar Sin (Egretta eulophotata)

Mujalla:Binciken Dabbobin Avian

Takaitaccen Bayani:

Sanin buƙatun tsuntsayen ƙaura yana da matuƙar muhimmanci wajen tsara tsare-tsaren kiyayewa ga nau'ikan ƙaura masu rauni. Wannan binciken ya yi nufin tantance hanyoyin ƙaura, wuraren hunturu, amfani da mazauninsu, da kuma mace-macen manyan Egrets na China (Egretta eulophotata). An bi diddigin manyan Egrets na China guda sittin (mata 31 da maza 29) a wani tsibiri na kiwo a bakin teku da ba a zaune a Dalian, China ta amfani da na'urorin watsa shirye-shiryen tauraron dan adam na GPS. An yi amfani da na'urorin watsa shirye-shiryen GPS da aka rubuta a tazara awanni 2 daga Yuni 2019 zuwa Agusta 2020 don yin nazari. An yi amfani da jimillar manya 44 da 17 da aka bi diddiginsu don yin ƙaura ta kaka da bazara, bi da bi. Idan aka kwatanta da ƙaura ta kaka, manyan da aka bi diddiginsu sun nuna hanyoyi daban-daban, adadin wuraren tsayawa, saurin ƙaura mai jinkiri, da tsawon lokacin ƙaura a bazara. Sakamakon ya nuna cewa tsuntsayen ƙaura suna da dabarun ɗabi'a daban-daban a lokacin ƙaura guda biyu. Tsawon lokacin ƙaura ta bazara da tsawon lokacin tsayawa ga mata sun fi na maza tsayi sosai. Akwai kyakkyawar alaƙa tsakanin lokacin isowa ta bazara da ranakun tashi ta bazara, da kuma tsakanin ranar isowa ta bazara da tsawon lokacin tsayawa. Wannan binciken ya nuna cewa tsuntsayen da suka isa da wuri a wuraren kiwo sun bar yankunan hunturu da wuri kuma suna da ɗan gajeren lokacin tsayawa. Tsuntsayen manya sun fi son wuraren dausayi na tsakiya, dazuzzuka, da tafkunan kiwon kamun kifi a lokacin ƙaura. A lokacin hunturu, manya sun fi son tsibiran teku, dausayi na tsakiya, da tafkunan kiwon kamun kifi. Tsuntsayen Sinawa manya sun nuna ƙarancin rayuwa idan aka kwatanta da yawancin sauran nau'ikan ardeid. An sami samfuran matattu a cikin tafkunan kiwon kamun kifi, wanda ke nuna tashin hankali na ɗan adam a matsayin babban dalilin mutuwar wannan nau'in mai rauni. Waɗannan sakamakon sun nuna mahimmancin warware rikice-rikice tsakanin tsuntsayen egrets da dausayi na kifin da ɗan adam ya yi da kuma kare gidajen dausayi na tsakiya da tsibiran teku a cikin dausayi na halitta ta hanyar haɗin gwiwar ƙasa da ƙasa. Sakamakonmu ya taimaka ga yanayin ƙaura na shekara-shekara na manyan tsuntsayen Sinawa, wanda ba a san shi ba, don haka ya samar da muhimmin tushe don kiyaye wannan nau'in mai rauni.