The Gathering Swarms
- Episode aired May 21, 2014
- TV-G
- 54m
From PBS - A look at some of the planet's great gatherings, creatures that come together in inconceivable numbers - sometimes in millions, billions, and even trillions. Included are bats and... Read allFrom PBS - A look at some of the planet's great gatherings, creatures that come together in inconceivable numbers - sometimes in millions, billions, and even trillions. Included are bats and bees, locust and ants, monarch butterflies in Mexico, 17-year cicada hatches, grunion in ... Read allFrom PBS - A look at some of the planet's great gatherings, creatures that come together in inconceivable numbers - sometimes in millions, billions, and even trillions. Included are bats and bees, locust and ants, monarch butterflies in Mexico, 17-year cicada hatches, grunion in the Sea of Cortez and carp in the Mississippi River, sardine runs off the coast of South A... Read all