A veteran pair of ospreys return home to a Connecticut saltmarsh. Over one summer they must battle their enemies, withstand the elements, and hunt hundreds of fish, all to raise the next generation of these consummate sea hawks. 

From early spring to late summer, follow new animal mothers through the trials of raising a family in the Rocky Mountains. Cranes migrate north to give birth, a bison mother protects her lambs from threats and young mountain goats learn to climb.