Science

No lake is known to hold a resident population of true freshwater sharks. Bull sharks can enter some freshwater lakes and travel far up rivers, but the familiar claim that a lake is home to freshwater sharks usually confuses temporary visitors, other fish, or sharks in brackish water with a permanent lake population. The distinction […]

Water moves from soil into a plant’s roots, travels upward through xylem, and escapes from tiny openings in the leaves as vapor. This process supplies water needed for cell function and helps carry dissolved minerals; following its path makes plant care and basic botany easier to understand. You do not need special equipment to learn

Barred owls generally do not migrate: most stay in the same broad area throughout the year. They may move locally when food, weather, or habitat conditions change, but those movements are different from the regular long-distance seasonal journeys made by migratory birds. What migration means for barred owls Migration usually refers to a recurring seasonal

Birds fluff up their feathers for several reasons, most often to trap insulating air and stay warm, but sometimes to groom, rest, or signal how they feel. Brief puffing is usually normal; a bird that stays unusually puffed up, especially with other signs of illness, may need attention. What feather fluffing does A bird’s feathers

Wild turkeys can act aggressively, especially during breeding season or when they become accustomed to people, but they are not generally looking to attack humans. Most encounters are harmless if you give the birds space; a turkey that approaches, follows, or pecks may be defending its place in a flock or responding to people as

A consumer that eats both plants and animals is called an omnivore. Humans are one familiar example: an omnivore can obtain food from plant sources, animal sources, or both, rather than relying exclusively on either group. What “Omnivore” Means The word omnivore describes an organism’s feeding pattern. It comes from word roots meaning “all” and

Animals communicate in far more ways than calls and cries: they use chemical trails, changing colors, touch, vibrations, gestures, and even electric fields. These signals help them find mates and food, avoid danger, defend territory, and coordinate with others, often in ways humans cannot readily see or hear. What makes animal communication unique? Communication occurs

There is no single scientific ranking of the top ten intelligent animals, because intelligence includes different abilities, from memory and problem-solving to communication and social learning. A useful cross-species list includes chimpanzees, bonobos, orangutans, dolphins, elephants, corvids, parrots, pigs, rats, and octopuses, while recognizing that each excels in different ways. What animal intelligence means Intelligence

A group of owls is commonly called a parliament. The word is a traditional collective noun, but it is not a special scientific term: in ordinary writing, “a group of owls” is just as clear and accurate. Why Is a Group of Owls Called a Parliament? “Parliament” is one of several colorful collective nouns used

Stick bugs are insects that survive by looking remarkably like twigs, leaves, or stems, making them difficult for predators to spot. Their camouflage is only one of their surprising traits: many sway like branches, some can regrow lost legs, and a few species reproduce without males. What Is a Stick Bug? “Stick bug” is a