The show, narrated by Tom Hanks, offers glimpses of critters large and small. And capturing that footage is no small feat.

Palaeognaths include emus and ostriches, and can reach 9 feet tall and weigh upwards of 300 pounds. They are more known for ...

If you’ve ever put out a bright red hummingbird feeder, you might have noticed those tiny, energetic birds zipping toward it ...