In the harsh Arctic tundra, survival runs on a strict budget of calories and minerals, and every nutrient matters. Yet female reindeer and caribou invest precious energy into growing something that ...

Biologists have long wondered why caribou are the only deer in the world in which females—like males—have antlers. A study of shed antlers collected from calving grounds in the Arctic National ...

Caribou, large deer that are native to the northernmost parts of the world (and sometimes called reindeer), are the only deer whose females grow antlers. In a study published today, researchers ...

Why do female reindeer have antlers? It’s a question that has long perplexed scientists, since reindeer (Rangifer tarandus)—also known as caribou—are the only species of deer whose cows sport the bony ...

Add Yahoo as a preferred source to see more of our stories on Google. Most deer shed their antlers at the beginning of winter, just after breeding. Many rodents and even caribou themselves will gnaw ...

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Reindeer and caribou are the only deer species on Earth in which females grow antlers. Instead of using antlers for combat, female caribou use them as a portable mineral storage system. Female caribou ...

UC Associate Professor Joshua Miller holds a female caribou antler he collected from the Arctic National Wildlife Refuge. Researchers observed that caribou routinely gnaw on shed antlers while grazing ...

Biologists have long wondered why caribou are the only deer in the world in which females, like males, have antlers. A new study of shed antlers collected from calving grounds in the Arctic National ...