Their fluffy fur enhances their cuteness, but it’s also a life-saving measure against the cold tundra of the Arctic Circle. So don’t let this newborn fool you–muskoxen are far tougher than they look!

Wolves are some of nature's most skilled predators: intelligent, strategic, and powerful. Living and hunting in tightly ...

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IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The Postal Service issued a souvenir ...