Ocean Food Chain Explained From Plankton to Top Predators
A shark chasing a fish is only the visible end of a much longer story. That fish may have eaten smaller fish, which ate tiny drifting animals, which depended on …
Sea Turtle Nesting Season in the United States
Every spring, a remarkable journey ends on American beaches. Female sea turtles emerge from the surf, cross the sand and bury their eggs before returning to the ocean. Weeks later, …
Are Sharks Dangerous to Humans? Risk in Perspective
Are sharks dangerous to humans? They can be, but the danger is far smaller than headlines suggest. A shark is a powerful wild animal capable of serious injury. Yet most …
Baleen Whales vs Toothed Whales: Key Differences
A blue whale swallowing a cloud of krill and a sperm whale pursuing squid deep underwater are both whales, but they make a living in strikingly different ways. The central …
Nocturnal Mammals in North America and How They Adapt to Night
As daylight fades across North America, the landscape changes. A raccoon searches a creek bank, bats sweep above the water, and a fox pauses at a field’s edge to listen. …