What is a large semi-aquatic rodent native to Canada, much of the United States, and parts of northern Mexico that constructs homes out of sticks, twigs, and mud in lakes or streams?
North American beaver may remain submerged up to 15 minutes. More vulnerable on land, they tend to remain in the water as much as possible. They use their flat, scaly tail both to signal danger by slapping the surface of the water and as a location for fat storage. They construct their homes, or "lodges", out of sticks, twigs, rocks, and mud in lakes, streams, and tidal river deltas. These lodges may be surrounded by water, or touching land, including burrows dug into river banks. Beavers are well known for building dams across streams and constructing their lodges in the artificial ponds which
Arizona mud turtle Arizona mud turtle The Arizona mud turtle ("Kinosternon arizonense") or Arizona yellow mud turtle (Kinosternon flavescens arizonense) is a species of mud turtle in the family Kinosternidae. It is found in Arizona (United States) and Sonora (Mexico). It is considered a semi-aquatic turtle and is found in Desert of Arizona (United States) and Sonora (Mexico). It lives in impermanent puddle, and they avoid permanent rivers and lakes. The male adult Arizona mud Turtle is 103.0- 181.3 mm (4-7.5 in) long, and female Arizona mud turtle is slightly smaller than the male. The turtle's top shell is brown and olive brown