pair of addaxes (addax nasomaculatus) in their enclosure with the characteristic curved horns

acacia adaptation addax addaxes africa african animal antelope biblical biology blue characteristic classified coat conservation critically curved desert eilat enclosure endangered environment extinction goat grass graze grey herbivorous herd horn horns israel iucn landscapes mammal nasomaculatus nature negev pair population region reserve savanna scimitar sky species tour tourism travel tree white wild wildlife yellow zoo