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Lists of animals. Appearance. The giant panda is a vulnerable species. The use of love darts by the land snail Monachoides vicinus is a form of sexual selection. Adult silk worm. Animals are multicellular eukaryotic organisms in the biological kingdom Animalia. With few exceptions, animals consume organic material, breathe oxygen, are able to ...
Animals form a clade, meaning that they arose from a single common ancestor. Over 1.5 million livinganimal specieshave been described, of which around 1.05 million are insects, over 85,000 are molluscs, and around 65,000 are vertebrates. It has been estimated there are as many as 7.77 million animal species on Earth.
Domestication is a gradual process, so there is no precise moment in the history of a given species when it can be considered to have become fully domesticated. Zooarchaeology has identified three classes of animal domesticates: Pets (dogs, cats, ferrets, hamsters, etc.) Livestock (cattle, sheep, pigs, goats, etc.)
A swarm of common starlings. Numbering over 310 million, this species contains at least as many individuals as the United States does humans. [ 1 ][ 2 ] Mammals by population. Lists. Even-toed ungulates (Artiodactyla) Carnivorans (Carnivora) Cetaceans (Cetacea) Bats (Chiroptera) Odd-toed ungulates (Perissodactyla) Primates (Primates) Key.
For extinct cetaceans, see List of extinct cetaceans. Cetacea is an infraorder that comprises the 94 species of whales, dolphins, and porpoises. It is divided into toothed whales (Odontoceti) and baleen whales (Mysticeti), which diverged from each other in the Eocene some 50 million years ago (mya). Cetaceans are descended from land-dwelling ...
Cnidaria. Cnidaria (/ nɪˈdɛəriə, naɪ -/ nih-DAIR-ee-ə, NY-) [ 4 ] is a phylum under kingdom Animalia containing over 11,000 species [ 5 ] of aquatic animals found both in fresh water and marine environments (predominantly the latter), including jellyfish, hydroids, sea anemones, corals and some of the smallest marine parasites.
The largest living land animal, the African bush elephant, is a herbivore. This is a list of herbivorous animals, organized in a roughly taxonomic manner. In general, entries consist of animal species known with good certainty to be overwhelmingly herbivorous, as well as genera and families which contain a preponderance of such species.
Left to right, top to bottom: tiger (Panthera tigris), Canada lynx (Lynx canadensis), serval (Leptailurus serval), cougar (Puma concolor), fishing cat (Prionailurus viverrinus), Asian golden cat (Catopuma temminckii), ocelot (Leopardus pardalis), and European wildcat (Felis silvestris) Range of Felidae. Blue is the range of Felinae (excluding ...