How will the only male rhea at the Smithsonian's National Zoo spend Father's Day? He will spend it much like he has spent the past eight weeks: as a proud papa nurturing and caring for his four chicks born April 20. This is the first time in some 30 years that rhea chicks have hatched at the Zoo.

Early Friday morning, March 7, one of the world’s most endangered species—a North Island brown kiwi—hatched at the Smithsonian’s National Zoo Bird House.

This Valentine’s Day, Cupid won’t be making a stop at the Smithsonian’s National Zoo. Unlike the spontaneous attraction that most humans equate with love and romance, mating and dating at the National Zoo is planned, strategic and science-based—quite an unromantic encounter.

Smithsonian's National Zoo has announced a first in its 118-year history -- the hatching of a rare wattled crane chick.