Ava Williams
Duk wanda ya tafi yin iyo tare da kare ya san cewa yana da kyau ka ɗauki ƴan matakai baya da zarar abokinka mai ƙafa huɗu ya fito daga cikin ruwa. Domin rigar kare dole ne ya fara girgiza kansa a bushe. Masu bincike a Cibiyar Fasaha ta Jojiya a yanzu sun gano yadda girgiza ke da mahimmanci ga dabbobi da kuma yadda mitar girgiza ta bambanta daga dabba zuwa dabba.
Masu binciken sun yi nazarin motsin girgiza na nau'ikan dabbobi 17. Daga beraye zuwa karnuka zuwa grizzlies, sun auna tsayi da nauyin jimillar dabbobi 33. Tare da kyamara mai sauri, sun nadi motsin dabbobin.
Sun gano cewa dole ne dabbobin su girgiza kansu sau da yawa kamar yadda suke.
Lokacin da karnuka suka bushe, suna motsawa da baya kusan sau takwas a cikin dakika guda. Ƙananan dabbobi, kamar mice, suna girgiza da sauri. Ƙaƙƙarfan beyar, a gefe guda, tana girgiza sau huɗu kawai a cikin daƙiƙa guda. Duk waɗannan dabbobin sun bushe kusan kashi 70 cikin ɗari a cikin 'yan daƙiƙa kaɗan bayan zagayowar su.
Girgizawa bushewa yana adana kuzari
Fiye da miliyoyin shekaru, dabbobi sun kammala tsarin girgiza su. Rigar Jawo ba ta da kyau sosai, zubar da ruwa da aka kama yana zubar da kuzari kuma jiki yayi sanyi da sauri. "Don haka batu ne na rayuwa da mutuwa mu kasance a bushe sosai a cikin yanayi mai sanyi," in ji David Hu, shugaban rukunin bincike.
Jawo kuma na iya sha ruwa mai yawa, yana sa jiki yayi nauyi. Jika, alal misali, dole ne ya ɗauki ƙarin kashi biyar na nauyin jikinsa tare da shi. Shi ya sa dabbobi ke girgiza kansu a bushe don kada su ɓata kuzarinsu ɗauke da nauyi mai yawa.
Slingshot sako-sako da fata
Ya bambanta da mutane, dabbobi da Jawo sau da yawa suna da yawa sako-sako da fata, wanda flaps tare da karfi girgiza motsi da kuma hanzarta motsi a cikin Jawo. A sakamakon haka, dabbobin kuma sun bushe da sauri. Idan fatar jikin ta kasance mai ƙarfi kamar a cikin mutane, da ta kasance cikin rigar, masu binciken sun ce.
Don haka idan kare nan da nan ya girgiza kansa da ƙarfi bayan wanka kuma ya watsa ruwa akan komai da kowa da kowa a kusa, wannan ba batun rashin kunya ba ne, amma larura ce ta juyin halitta.