Gano wuraren kiwo da kuma ayyukan shekara-shekara na sabbin nau'ikan bohaii na Black-tailed Godwits da aka gano.

Nau'in Avian (Avian):Godwit mai launin baƙi (Limosa limosa bohaii)

Mujalla:Emu

Takaitaccen Bayani:

Bohai Black-tailed Godwit (Limosa limosa bohaii) wani sabon nau'in halitta ne da aka gano a Gabashin Asiya da Ostiraliya Flyway. Dangane da sa ido kan tauraron dan adam na mutane 21 da aka yiwa alama a arewacin Bohai Bay, China, daga 2016 zuwa 2018, a nan muna bayanin zagayowar shekara-shekara na wannan nau'in. Duk tsuntsayen suna da Thailand a matsayin wurin da suka fi 'hunturu' a kudancinsu. Tashi daga bazara ya kasance a ƙarshen Maris a lokacin ƙaura zuwa arewa, Bohai Bay shine wurin tsayawa na farko inda suka yi matsakaicin kwanaki 39 (± SD = 6 d), sai kuma Inner Mongolia da lardin Jilin (tsayawa na tsawon kwanaki 8 ± 1 d). Zuwan wuraren kiwo a Gabas Mai Nisa ta Rasha ya kasance a tsakiyar watan Mayu. An gano wurare biyu na kiwo, tare da matsakaicin wurare 1100 nesa da juna; yankin gabas ya wuce yadda aka san rarraba kiwo na Asiya na Godwit Black-tailed. Hijira zuwa kudu ta fara ne a ƙarshen watan Yuni, inda masu bautar gumaka suka yi ta tsayawa na tsawon lokaci a manyan wurare guda biyu da ake amfani da su a lokacin bazara, wato Inner Mongolia da lardin Jilin (32 ± 5 d) da Bohai Bay (44 ± 8 d), inda wasu mutane suka yi ta tsayawa na uku a tsakiyar Kogin Yangtze da ke kudancin China (12 ± 4 d). A ƙarshen watan Satumba, yawancin mutanen da aka bi diddiginsu sun isa Thailand. Idan aka kwatanta da nau'ikan da aka sani a baya, masu bautar gumaka na bohaii suna da jadawalin ƙaura da ƙaura daban-daban, don haka wannan binciken ya ƙara wa ilimin game da bambancin halittu masu bautar gumaka na bakin wutsiya a cikin hanyar tashi ta Gabashin Asiya-Australiya.