Elephas maximus yana daya daga cikin nau'o'in nau'in nau'i uku na giwayen Asiya, kuma 'yan asalin Sri Lanka ne. Tun 1986, Elephas maximus ya kasance a cikin jerin sunayen IUCN kamar yadda yawan jama'a ya ragu da akalla 50% a cikin shekaru uku da suka gabata, wanda aka kiyasta ya zama 60<unk>75 shekaru. Ana barazanar nau'in da farko ta hanyar hasara, lalacewa da raguwa. Elephas maximus shine nau'in nau'in nau'in giwayen Asiya, wanda Carl Linnaeus ya fara bayyanawa a karkashin binomial Elephas maximus a 1758. Yawan giwayen Sri Lanka yanzu an iyakance shi ne ga yankin bushe a arewa, gabas da kudu maso gabashin Sri Lanka.
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