Published: Wed, 28 Sep 2016 11:11:05 +0000
2016-09-28T11:11:05ZUnlock the basics behind how scientists classify animals in this beginner's guide to the six basic animal groups.
2016-09-28T11:11:05ZDo you want to donate your money to a reputable, and effective, wildlife conservation organization? Here's our list of the 10 best, ranging from the World Wildlife Fund to the National Audubon Society.
2016-09-28T11:11:05ZA slideshow of the 12 most important animals of North America, including mammals, birds, lizards, and butterflies.
2016-09-28T11:11:05ZAn introduction to six basic groups of invertebrates including arthropods, cnidarians, echinoderms, mollusks, segmented worms, and sponges.
2016-09-28T11:11:05ZIt's easy to feel overwhelmed in the face of species loss and habitat destruction. Here is a list of things you can do to help protect wildlife.
2016-09-28T11:11:05ZFacts about owls, a group of birds known for their distinct calls, nocturnal habits, and silent flight.
2016-09-28T11:11:05ZAnimals' bodies are made up of various organ systems, groups of organs that work together to perform a function.
2016-09-28T11:11:05ZFrom an evolutionary perspective, mammals are the most advanced animals on our planet. Here are 10 essential facts about mammals that everyone should know.
2016-09-28T11:11:05ZExplore the nitty gritty of population biology, a fascinating branch of zoology that investigates the ways in which populations change over time.
2016-09-28T11:11:05ZAll living organisms can be sorted into one of two groups depending on the fundamental structure of their cells - prokaryotes or eukaryotes.
2016-09-28T11:11:05ZA list of some of the animals that inhabit the Great Barrier Reef including sea birds, mollusks, marine mammals, marine reptiles, and more.
2016-09-28T11:11:05ZThey're nowhere near as common as they were 100 million years ago, but reptiles are still some of the most distinctive animals on earth.
2016-09-28T11:11:05ZReptiles are cold-blooded vertebrates that diverged from ancestral amphibians about 340 million years ago.
2016-09-28T11:11:05ZWhat exactly is it that defines an animal? Here's a slideshow of the eight main animal characteristics, ranging from multicellularity to sexual reproduction.
2016-09-28T11:11:05ZOne of the six basic groups of animals, birds are characterized by their feathers and (in most species) the ability to fly. Here are 10 essential bird facts everyone should know.
2016-09-28T11:11:05ZExplore the vast diversity of animal life, from arrow worms to waterbears, and discover how these remarkable organisms differ from all other living things.
2016-09-28T11:11:05ZLearn interesting facts about invertebrates, a group of animals that accounts for 97 percent of all known species.
2016-09-28T11:11:05ZScientists and conservationists who study the animal species that face a high risk of extinction refer to such species as endangered species.
2016-09-28T11:11:05ZA crucial link between water-dwelling fish and land-dwelling reptiles, amphibians are among the most fascinating animals on earth. Here are 10 fascinating amphibian facts.
2016-09-28T11:11:05ZAre you familiar with the 21 orders, or groups, of mammals? This slideshow will take you on a guided tour, ranging from tiny aardvarks (order Tubulidentata) to much bigger whales and dolphins (order Cetacea).
2016-09-28T11:11:05ZExplore the basic characteristics that are shared by all reptiles—from snakes and lizards to crocodiles and turtles.
2016-09-28T11:11:05ZAn introduction to the four basic groups of reptiles including crocodilians, lizards, snakes and turtles.
2016-09-28T11:11:05ZReptiles are a group of vertebrates that colonized terrestrial habitats more extensively than their amphibian ancestors.
2016-09-28T11:11:05ZFrom leaves and grasses to fish and crustaceans, the diet of today's turtles is really quite varied.
2016-09-28T11:11:05ZFlatworms are a group of invertebrates that includes planarians, tapeworms, and flukes. Flatworms include both free-living and parasitic species.
2016-09-28T11:11:05ZWhat makes mammals different from other vertebrate animals? Here's a slideshow of the eight main mammal characteristics, ranging from hair to four-chambered hearts.
2016-09-28T11:11:05ZDecode some of the jargon that is used in the science of ecology to describe natural communities, populations, and ecosystems.
2016-09-28T11:11:05ZWith their long necks, richly patterned coats and stubby ossicones, Giraffes are among the most recognizable animals on earth. Here are 10 essential Giraffe facts.
2016-09-28T11:11:05ZBoost your understanding of mollusks, a group of invertebrates known for their remarkable diversity—in both sheer number of species as well as variety of form.
2016-09-28T11:11:05ZIt gets complicated when species share the same habitat. This guide will help you to untangle the many interactions that arise when species mingle.
2016-09-28T11:11:05ZThe Great Barrier Reef is the largest coral reef in the world. It is located off the shores of eastern Australia from Bamaga to Bundaberg, Queensland.
2016-09-28T11:11:05ZWith their eight tentacles and bigger-than-average brains, octopuses are among the world's most fascinating creatures. Here's a slideshow of 10 essential octopus facts.
2016-09-28T11:11:05ZJellyfish are a group of carnivorous cnidarians with a bell-shaped body and tentacles. Jellyfish are delicate, soft-bodied animals.
2016-09-28T11:11:05ZAn A to Z list of animal profiles available at this site, sorted alphabetically by scientific name.
2016-09-28T11:11:05ZBarn owls are a group of owls that have a heart-shaped face, long legs and powerful talons. Barn owls are medium-sized birds with a large wingspan.
2016-09-28T11:11:05ZArthropods--which include insects, spiders, and crustaceans--are by far the most common animals on earth. Here's a slideshow of 10 essential arthropod facts.
2016-09-28T11:11:05ZGet a glimpse of some of the most adorable birds alive today and discover why each species is more than just cute, it is also entirely unique.
2016-09-28T11:11:05ZThe most recognized image of a jellyfish is that of the adult jellyfish, with its bell-shaped body and long tentacles.
2016-09-28T11:11:05ZThere is more to bat aerobatics than merely echolocation and bats have a more complex sensory repertoire than previously thought.
2016-09-28T11:11:05ZExpand your understanding of animals and learn some of the basics behind their biology as well as a handful of lesser-known animal facts.
2016-09-28T11:11:05ZDiscover how the innovation of a supportive backbone enabled the vertebrates to stand tall and go beyond their chordate ancestors.
2016-09-28T11:11:05ZGreat horned owls are a large species of true owls that inhabits many parts of North and South America.
2016-09-28T11:11:05ZMollusks are a group of invertebrates that includes squids, octopuses, cuttlefishes, nudibranchs, snails, slugs, limpets, mussels, and many more.
2016-09-28T11:11:05ZMan-made radars and infrared detectors help humans to stretch their awareness beyond their five senses. However, animals have their own set of senses.
2016-09-28T11:11:05ZProfile of the Appalachian Mountain Range, an ancient band of mountains that stretches in a southwestern arc from Newfoundland to Alabama.
2016-09-28T11:11:05ZLearn interesting facts about dolphins and find out about the characteristics make them different from other animal groups, their life cycle and their evolutionary history.
2016-09-28T11:11:05ZJellyfish get a lot of negative press for the threats they can pose to swimmers and holiday makers visiting beaches around the world.
2016-09-28T11:11:05ZLiving organisms face a constant barrage of external stresses or threats that challenge their ability to survive and reproduce.
2016-09-28T11:11:05ZDescent with modification refers to the passing on of traits from parent organisms to their offspring.
2016-09-28T11:11:05ZFind out how scientists estimate and count the many millions of animal species that live on our planet today.
2016-09-28T11:11:05ZArthropods are a group of invertebrates that includes insects, spiders, crustaceans, scorpions, centipedes, and many others.
2016-09-28T11:11:05ZInsectivores are a group of mammals that include hedgehogs, moonrats, shrews, and moles. Insectivores are generally small mammals with nocturnal habits.
2016-09-28T11:11:05ZLearn interesting facts about marsupials and find out about the characteristics make them different from other animal groups, their life cycle and their evolutionary history.
2016-09-28T11:11:05ZMyriapods are a group of arthropods that includes millipedes, centipedes, pauropods, and symphylans. Myriapods are noted for their having many legs.
2016-09-28T11:11:05ZFacts about bears, a group of carnivores known for their burly build, impressive agility and, in some species, their winter sleep habits.
2016-09-28T11:11:05ZLearn interesting facts about fishes and find out about their diversity, evolutionary history and the characteristics make them different from other animal groups.
2016-09-28T11:11:05ZA comprehensive list of the world's biggest mammals by type, ranging from whales to hedgehogs.
2016-09-28T11:11:05ZToothed whales, as their name implies, have teeth, a characteristic that distinguishes them from their baleen whales.
2016-09-28T11:11:05ZSquamates are a group of reptiles that sheds their skin periodically in patches and have uniquely jointed skulls and jaws.
2016-09-28T11:11:05ZWhat reptiles eat differs from species to species but here you'll find out about some of the general dietary trends for various reptiles.
2016-09-28T11:11:05ZOwls are a group of birds that have strong talons, a downward-curved bill, acute hearing, and keen eyesight.
2016-09-28T11:11:05ZAn introduction to the basic fish groups including bony fishes and cartilaginous fishes.
2016-09-28T11:11:05ZScientists have identified nearly one million living species of invertebrates, but this is only a small fraction of the invertebrates alive today.
2016-09-28T11:11:05ZPerching birds are a group of birds known for their specialized feet and the complex vocalizations and songs.
2016-09-28T11:11:05ZCanids are long-legged carnivores that include wolves, coyotes, jackals, foxes, wild dogs and domestic dogs.
2016-09-28T11:11:05ZDiscover the remarkable ways that animals are shaped by the natural environment in which they live.
2016-09-28T11:11:05ZThe aquatic biome consists of habitats around the world that are dominated by water, from tropical reefs, to brackish mangroves, to Arctic lakes.
2016-09-28T11:11:05ZThe lion is a species of large cat that has a buff colored coat, white underparts, and a long tail that ends in a black tuft of fur.
2016-09-28T11:11:05ZGain an intimate view of the social lives of lions, the only species of cat that hangs out in groups called prides.
2016-09-28T11:11:05ZZoology is the study of animals; yet this definition implies a simplicity that does not exist; instead, zoology is a complex discipline, drawing upon a diverse body of scientific observation and theory.
2016-09-28T11:11:05ZSexual dimorphism is the difference in form between male and female members of the same species.
2016-09-28T11:11:05ZSnowy owls are large owls with white plumage and their extreme northerly range which includes tundra habitat throughout Alaska, Canada and Eurasia.
2016-09-28T11:11:05ZThe Rocky Mountains stretch through western North America from Alaska to New Mexico, forming the middle section of the Western Cordillera.
2016-09-28T11:11:05ZDespite their name, gray wolves are colorful canines. Their coat color ranges from white to gray to black and is regulated by complex genetic factors.
2016-09-28T11:11:05ZThe Arctic is a region that encircles the north pole and extends southward over the Arctic Ocean, Alaska, Canada, Greenland, Iceland, Scandinavia, and Russia.
2016-09-28T11:11:05ZCetaceans are highly specialized mammals with numerous adaptations that make them well-suited for living in water.
2016-09-28T11:11:05ZAn A to Z list of animal profiles available in The Animal Encyclopedia, sorted alphabetically by common name.
2016-09-28T11:11:05ZMammals are a group of tetrapods that includes bats, carnivores, cetaceans, elephants, hoofed mammals, primates, monotremes, marsupials, and rodents.
2016-09-28T11:11:05ZDecode the secrets of amphibian classification in this beginner's guide to the three basic amphibian groups.
2016-09-28T11:11:05ZProfile of rodents, a group of mammals that includes squirrels, dormice, mice, rats, gerbils, beavers, gophers, kangaroo rats, pocket mice, and many others.
2016-09-28T11:11:05ZEchinoderms are a group of marine invertebrates that includes star fish, sea lilies, feather stars, brittle stars, sea cucumbers and sea urchins.
2016-09-28T11:11:05ZCnidarians are a group of aquatic invertebrates that includes jellyfish, corals, sea anemones and hydras.
2016-09-28T11:11:05ZAnimals, like all lifeforms, are composed of and dependent upon the chemicals of life. To understand the chemistry of life, we need to first understand the basics of general chemistry.
2016-09-28T11:11:05ZAn introduction to the 30 basic groups of birds including birds of prey, buttonquails, gamebirds, herons, hummingbirds, owls, rheas, and many others.
2016-09-28T11:11:05ZPictures of arthropods including spiders, scorpions, horseshoe crabs, katydids, beetles, millipedes, and more.
2016-09-28T11:11:05ZAmphibians are the most ancient of all tetrapod lineages and the first to have climbed onto dry land some 370 million years ago.
2016-09-28T11:11:05ZDiscover the secrets of the fishes, a diverse and ancient group of animals whose earliest ancestors appeared some 510 million years ago.
2016-09-28T11:11:05ZHabitat destruction is fueled by a fast-growing human population. As human populations increase, we use more land for agriculture, cities, and towns.
2016-09-28T11:11:05ZA list of animals of the Amazon River basin in South America including harpy eagles, three-toed sloths, toucans, and more.
2016-09-28T11:11:05ZTo maintain correct body temperature, mammals must conserve body heat in cold conditions and dissipate extra body heat in warmer conditions.
2016-09-28T11:11:05ZDefinition of a niche, a term used to describe the role an organism or population plays within its community or ecosystem.
2016-09-28T11:11:05ZDefinition of Camouflage and how it helps animals.
2016-09-28T11:11:05ZThe American black bear is a large carnivore that inhabits the forests, swamps, tundra throughout the more northerly reaches of North America.
2016-09-28T11:11:05ZDiscover how some species can be the glue that holds an entire ecosystem together. And find out why such keystone species are sometimes the least likely critter.
2016-09-28T11:11:05ZHere's our list of the 25 biggest living things on earth, ranging from viruses and mammals to plants and fungi.
2016-09-28T11:11:05ZTurtles are a group of reptiles best known for the hard shell which is a modification of their ribcage and vertebral column.
2016-09-28T11:11:05ZCnidarians are diverse and come in many shapes and sizes but there are some basic anatomical features that most members of the group share in common.
2016-09-28T11:11:05ZMature forests often have several distinct layers including the forest floor, herb layer, shrub layer, understory, canopy, and emergents.
2016-09-28T11:11:05ZTo understand animals and their biology, it helps to understand the cells, tissues, organs and organ systems that comprise them.
2016-09-28T11:11:05ZTemperate forests evolved 65 million years ago when global temperatures dropped and, in areas further from the equator, cooler climates emerged.