Kashi 30% ne kaɗan daga tsuntsayen masu ƙaura suka isa Spain saboda canjin yanayi

A kowace shekara akwai dabbobi da yawa da ke ƙaura zuwa wasu wurare mafi dacewa a gare su, inda za su iya ciyarwa ta hanya mafi kyau ko dai a lokacin rani ko lokacin sanyi. Koyaya, Yayin da matsakaicin yanayin duniya ke ƙaruwa, yanayin ƙaurarsu yana canzawaDon haka akwai wasu nau'in da ke dakatar da yin ƙaura. Daya daga cikin su shine tsuntsayen da suke yin kaura, kamar su geese ko baragurbi wadanda suka isa kasar Spain a kaka.

Me ya sa? Babban dalilin shine kamar canjin yanayi. Kuma hakan shine, ta hanyar samun duk abinda suke buƙata a mazauninsu, da kaɗan kaɗan suna daina ɓatar da kuzari don yin ƙaura.

Idaya ta ƙarshe da aka yi wa jinsunan halittun ruwa na ƙaura, wato, waɗanda suka zauna a cikin dausayi, da aka gudanar a shekarar 2016, ya nuna jimillar 73.689 nau'ikan nau'ikan 53 wadanda suke yin hunturu kawai a cikin Castilla y León. Suna iya zama kamar da yawa, amma daga Ma'aikatar Ci Gaban da Muhalli sun jaddada cewa shine mafi ƙarancin sakamako tun sa ido.

A sauran ƙasar, halin da ake ciki bai fi kyau ba: idan matsakaiciyar kwafi 110.000 sun isa tsakanin 2006 da 2011, yanzu kusan 75.000 sun iso tun 2013.

Idan muka yi la'akari da cewa kasancewar abinci ne ke haifar da ƙaura, baya ga kasancewar lokacin sanyi, dabbobi masu ƙaura suna rasa buƙatarsu ta gaggawa zuwa wasu wurare saboda canjin yanayi. Tun shekara ta sittin da Spanishungiyar Mutanen Espanya na Ornithology (SEO) yana lura da yadda wasu jinsunan suka canza ko suke canza yanayin ƙaurarsu tare da manufar kawai samun abinci idan lokacin kiwo ya ƙare.

Don haka, yayin da shekaru suke shudewa, abin takaici zai zama yana da wuya a ga kyawawan tsuntsaye irin su cokali mai yatsu, jan agwagwa ko farin fari.