Grevy's zebra, larger and more striking than the common plains zebra, is Kenya's most endangered large mammal. Fewer than 3,000 remain, confined to northern Kenya and southern Ethiopia. Habitat loss, competition with livestock, and hunting reduced populations by 80 percent since the 1970s. Conservation efforts focus on community rangelands, where Grevy's and cattle coexist uneasily. Conservationists are racing to prevent extinction, but the clock is running. Every drought, every enclosure, every fence reduces the space left for Grevy's to survive.