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  1. Beaver - Wikipedia

    Beavers (genus Castor) are large, semiaquatic rodents of the Northern Hemisphere. There are two existing species: the North American beaver (Castor canadensis) and the Eurasian beaver …

  2. Beaver | Habitat, Size, & Facts. | Britannica

    Nov 7, 2025 · beaver, (genus Castor), either of two species of amphibious rodents native to North America, Europe, and Asia. Beavers are the largest rodents in North America and Eurasia and …

  3. 18 Beautiful Beaver Facts - Fact Animal

    Beavers are the second-largest living rodents after the capybaras. Beavers can grow up to 120cm in length (1.2m), their tail can measure as long as 50cm and they can weigh nearly 30kg – …

  4. Beaver | Smithsonian's National Zoo and Conservation Biology Institute

    Beavers are the largest rodents in North America and one of the few species that significantly change their environment. By building dams, which form slow-moving ponds and reduce …

  5. Beavers are Dam Good for Biodiversity, Bringing Bats, Butterflies …

    Nov 20, 2025 · Beavers are Dam Good for Biodiversity, Bringing Bats, Butterflies and Other Critters to Their Neighborhoods Two new studies suggest that the semi-aquatic rodents …

  6. Beaver Institute Management, Research and Education

    Advancing Beaver Management and Watershed Restoration. Learn More About Beavers, Get Beaver Help, and Professional Info available from the Beaver Institute.

  7. Beaver | World Wildlife Fund

    Beavers are ecosystem engineers that build dams, boost biodiversity, and help fight climate change. Learn how conservation is helping them thrive.

  8. Beaver - Yellowstone National Park (U.S. National Park Service)

    Apr 18, 2025 · Beavers live throughout Yellowstone National Park but are concentrated in the southeast (Yellowstone River delta area), southwest (Bechler area), and northwest portions …

  9. TPWD: Beavers – Introducing Mammals to Young Naturalists

    Beavers People often disagree about the beaver. Some think this master dam builder is the smartest thing in fur pants, and they use such words as intelligent, energetic, and helpful when …

  10. About Beavers

    The largest rodents in North America, beavers are herbivores feasting on herbaceous plants and the bark of woody plants. Their eating habits indicate that they have preferences for certain …