Editor's note: This is part of a series of videos offering an up-close perspective on the animal kingdom. A special 360-degree video camera system was set up in zoos and other facilities to show ...

such as the Japanese dwarf flying squirrel, have two. The time of year for mating and birth depend on the species as well. Many are promiscuous, meaning that males and females mate with multiple ...

For nearly two decades, Hayakawa has documented the lives of land and sea animals, from the elusive Japanese dwarf flying squirrel to the ... But it wasn’t a dream. The whale was real, and ...