Nau'o'i (Avian):Babban Bustard (Otis tarda)
JaridaJ:mu na Ornithology
Takaitawa:
The Great Bustard (Otis tarda) yana riƙe da bambancin tsuntsu mafi nauyi don yin ƙaura da kuma mafi girman matakin dimorphism tsakanin tsuntsaye masu rai. Ko da yake an yi magana game da ƙaura na nau'in a cikin wallafe-wallafen, masu bincike sun san kadan game da ƙaura na nau'o'in nau'i a Asiya (Otis tarda dybowskii), musamman maza. A cikin 2018 da 2019, mun kama O.t. dybowskii (maza biyar da mace daya) a wuraren kiwon su a gabashin Mongoliya kuma ya sanya musu alamar tauraron dan adam GPS-GSM. Wannan shi ne karo na farko da aka fara gano manyan bustards na gabas a gabashin Mongoliya. Mun sami bambance-bambancen jima'i a cikin tsarin ƙaura: maza sun fara ƙaura daga baya amma sun zo da wuri fiye da mace a cikin bazara; maza suna da 1/3 na tsawon ƙaura kuma sun yi ƙaura kusan 1/2 nisan mace. Bugu da ƙari, Great Bustards sun baje kolin aminci ga kiwo, bayan kiwo, da wuraren damina. Don kiyayewa, kawai 22.51% na gyaran wurin GPS na bustards suna cikin wuraren da aka karewa, kuma ƙasa da 5.0% don wuraren hunturu da lokacin ƙaura. A cikin shekaru biyu, rabin Manyan Bustards da muka bi diddigin sun mutu a wuraren hunturu ko lokacin ƙaura. Muna ba da shawarar samar da ƙarin wuraren kariya a wuraren hunturu da sake yin amfani da wutar lantarki ko ƙarƙashin ƙasa a wuraren da ake rarraba Great Bustards don kawar da karo.
ANA BUGA A NAN:
https://doi-org.proxy-ub.rug.nl/10.1007/s10336-022-02030-y
