Beavers, birds and bees are just a few of "nature's engineers." They use materials from the Earth and even their own bodies to protect themselves from predators and weather in a variety of interesting ways.

Encoded with permission for digital streaming by Infobase on January 19, 2011. Learn360 is distributed by Infobase for Films for the Humanities & Sciences, Cambridge Educational, Meridian Education, and Shopware.

The Beaver Dam (3:00) -- Beaver Anatomy (2:15) -- Purpose of Beaver Dams (4:01) -- Honeycomb Beehives (2:59) -- Honeycomb Beehive Construction (4:13) -- Wasp Nests (2:38) -- Evolution of Birds Nests (3:15) -- Simple and Elaborate Nests (2:36) -- Beautiful and Dangerous Nests (2:08) -- Termite Builders (2:59) -- Sophisticated Ant Structures (6:21) -- Spider Webs (2:02) -- Spider Silk and Web Production (4:26) -- Credits: Modern Marvels: Nature's Engineers (0:30).