Loai ran doc nhat the gioi

Thứ tư, 13 Tháng sáu 2012, 11:55 GMT+7

Chi can vai miligram noc doc, loai ran duoc menh danh la doc nhat the gioi co the giet hang nghin nguoi.


Loai ran doc nhat the gioi
Ran bien Belcher. Anh: gardenofeaden.blogspot.com.

"Ran bien Belcher" la loai ran doc nhat duoi nuoc cung la loai ran doc nhat tren the gioi. Chi can vai miligram noc doc cua chung la du de giet chet hang ngan nguoi, rat may la chua den 1/4 cac vet can cua chung chua noc doc va chung kha hien lanh.

Ngu dan thuong la nan nhan cua loai ran nay, ho gap phai khi keo luoi len tu dai duong. "Ran bien Belcher" co the thay o khap cac vung bien ngoai khoi Dong Nam A va Bac Australia.


Loai ran doc nhat the gioi
Loai ran Taipan noi dia. Anh: gardenofeaden.blogspot.com.

Loai ran doc nhat tren mat dat la "Ran du" (Fierce Snake), con duoc biet la “Taipan noi dia”. Day la loai ran co noc doc doc nhat so voi bat ky loai ran song tren can nao tren the gioi.

Luong noc toi da cua mot vet can la 110 mg, du de giet chet 100 nguoi, hay 250.000 con chuot. Muc do doc cua noc ran nay gap 10 lan ran chuong Mojave va 50 lan ran ho mang thuong.

That may man, ran Taipan noi dia khong phai la loai tan cong va con nguoi hiem khi gap chung trong tu nhien. Hien chua co ca tu vong nao duoc ghi nhan, mac du no co kha nang giet chet mot nguoi lon chi trong vong 45 phut ke tu sau khi bi can.

Vu Van Lien



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