109 seconds of breathing with whales 🐳 #EarthDay There are two types of whale; baleen and toothed, separated by the way in which they feed. Baleen whales, such as the blue whale, have sheets instead of teeth which sieve prey like zooplankton or krill from the ocean. Whales help the planet stay healthy in a number of ways. As they surface for air they release huge faecal plumes, nourishing the ocean and helping to support the food chain. They even help the environment after they die, with their

Killer whales leave the sea to hunt sea lions. | BBC Earth