All articles

Everything on The Fauna Archive, organised by topic.

Animal Behavior

Animals That Mate for Life: 12 Species That Pair Bond — Animals that mate for life include gray wolves, beavers, gibbons, prairie voles, bald eagles, mute swans, Laysan albatrosses, sandhill cranes, black…
Why Do Animals Make Sounds? 7 Main Reasons — Animals make sounds to attract mates, defend space, warn of danger, maintain contact, identify parents or young, coordinate group activity, and locate…

How Do Dolphins Sleep Without Drowning? — Dolphins sleep by resting one brain hemisphere at a time, a pattern called unihemispheric sleep.
How Long Do Sea Turtles Live? Lifespan of All 7 Species — Sea turtles live roughly 30 to 70 years or more, depending on the species.

How Fast Can a Cheetah Run? Top Speed and Sprint Facts — A cheetah can run roughly 58 to 64 mph (93 to 103 km/h) at top speed, with around 70 mph plausible as a rare ceiling for exceptional individuals — making…
How Long Do Elephants Live? An Honest Range — Elephants can reach their 50s, and a small number live longer, but a simple 60–70-year average is too confident.
What Do Foxes Eat? Diet by Season, Habitat, and Species — Foxes are opportunistic omnivores. Their core diet is small mammals — especially voles, mice, and rabbits — supplemented with birds and eggs, insects,…