¿Dónde viven los animales?

Animals choose different types of homes to protect themselves and their young. Herons build nests on bamboo to keep chicks safe from predators. Prairie dogs live in burrows that regulate temperature and offer protection. Polar bears dig dens in the snow to keep their cubs warm. These homes provide safety, warmth, and a place to raise young.

What do polar bears create when they have cubs?

What are the three types of homes mentioned for animals?