A kangaroo is seen at the Gan-Garoo Australian park, which features wildlife from Australia, near Kibbutz Nir David in northern Israel December 7, 2010. Israeli scientists and veterinarians have developed what they call a new non-invasive treatment for lumpy jaw, a gum disease common to kangaroos living in captivity. They say the pasty medicine, if applied at an early stage of the disease, increases the chances for a speedy recovery. REUTERS/Nir Elias (ISRAEL – Tags: HEALTH ANIMALS)