For about 56 million years, butterflies have been bringing joy to the world. Here we watch them dine on nectar and move together in a flutter.

Witness the butterflies' life cycle, from courting to reproduction, caterpillar to chrysalis, and metamorphosis to maturity. (with gentle music)

Photographer and citizen scientist Eric Pittman shares his footage of hummingbird nests near his home in Victoria, BC. (live sounds, no people)

Challenge yourself to identify both common and more exotic types of birds. (with music and sound effects)