Explore clear, practical articles about animals and the way they live.
Frogs are eaten by snakes, birds, fish, turtles, mammals, larger frogs and aquatic insects. Learn what eats adult frogs, tadpoles and frog eggs.
Latest guides
Search the articles currently shown on this page.
Frogs are eaten by snakes, birds, fish, turtles, mammals, larger frogs and aquatic insects. Learn what eats adult frogs, tadpoles and frog eggs.
Opossums eat insects, fruit, worms, small animals, eggs and carrion. Learn what wild opossums eat, whether they eat ticks, snakes, chickens and pet food.
A baby deer is usually called a fawn.The word is commonly used for young deer such as white-tailed deer, mule deer and roe deer, especially during their first year of life.However, there is one useful complication: the d···
A group of whales is commonly called a pod, but not all whales live in permanent pods. Learn about pods, gams, herds, social groups and whale families.
A group of flamingos is called a flamboyance. Learn about flock, colony and stand, why flamingos gather in huge groups, and what baby groups are called.
A group of deer is called a herd. Learn about older names such as parcel and bevy, plus how doe groups, bachelor groups and deer herds change by season.
A baby horse is called a foal. Learn the difference between a foal, colt, filly, yearling and weanling, plus the names for adult male and female horses.
A group of pandas is commonly called an embarrassment. Learn why the name is unusual, whether pandas actually live in groups, and what baby pandas are called.
A baby goat is called a kid. Learn what male and female baby goats are called, what kidding means, and how a kid differs from a lamb.
A group of ravens can be called an unkindness, conspiracy or flock. Learn which term is traditional, which is used by bird experts, and why ravens gather.
A group of turkeys can be called a rafter or a flock. Learn which term is traditional, which is used in real wildlife writing, and how turkey groups change by season.
Coyotes, bobcats, owls and other predators can sometimes prey on outdoor cats. Learn which animals pose real risks and how to keep cats safer.
What is a fisher cat? Learn whether a fisher cat is really a cat, where fishers live, what they eat, how big they get, and why this North American predator is so often misunderstood.
Learn what fruits hamsters can eat, how much to serve, which fruits to avoid, and why dwarf hamsters need extra care with sugary treats.
Why did Sacabambaspis go extinct? Fossils show a local mass-death event in Bolivia, but the true cause of the genus’s extinction remains uncertain.
How long can frogs hold their breath underwater? Learn why there is no single time, how frogs breathe through their skin, and why species and temperature matter.
The Annoyance of Constant BeepingA solar mole repeller should operate quietly and consistently according to its design. Some models intentionally emit short audible beeps during activation or testing, while others work a···
Why Does a "Wire Missing" Error Occur?Most robotic lawn mowers navigate by detecting a continuous electrical signal traveling through a boundary wire installed around the mowing area.If that loop is interrupted···
Why Are Ants Invading Your Beehive?Ants are attracted to beehives because they provide abundant food and shelter. Honey, pollen, sugar syrup, wax scraps, and even dead insects can all attract foraging ants.Healthy coloni···
How Does a Koi Pond Autofill Valve Work?An autofill valve automatically maintains the pond's water level by opening when the water drops below a preset level and closing once the desired level is reached. Most system···
Sea Urchin Facts at a GlanceFeatureFactAnimal GroupEchinodermsScientific ClassEchinoideaNumber of Living SpeciesAbout 950–1,000 speciesHabitatAll major oceansMain DietAlgae, kelp, seaweedMain PredatorsSea otters, fish, ···
What Do Sea Urchins Eat?Sea urchins play an important role in marine food webs because they help control algae growth. Most species spend much of their lives slowly grazing across the seafloor, feeding on plants and othe···
What Animals Are Closely Related to Sea Urchins?Sea urchins belong to the phylum Echinodermata, an ancient group of marine invertebrates that has existed for more than 500 million years. Every living echinoderm shares a ···
What's Inside a Sea Urchin?Although sea urchins have a simple appearance from the outside, their internal anatomy is remarkably specialized. Their organs are arranged inside a rigid shell called the test, which is co···