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A species aggregate is very similar in definition to that of a species complex, a term to describe a group of organisms in the stages of speciation, where the species involved may be morphologically identical, much like a cryptic species, or distinct, much like a species flock.
Many birds of Australia, like wrens and robins, look like Northern Hemisphere birds but are not related. [109] Oilbirds like microbats and toothed whales developed sonar-like echolocation systems used for locating prey. [110] The brain structure, forebrain, of hummingbirds, songbirds, and parrots responsible for vocal learning (not by instinct ...
Many groups of burrowing animals (pink fairy armadillos, tuco-tucos, mole rats, mole crickets, pygmy mole crickets, and mole crabs) have independently developed close physical similarities with moles due to convergent evolution; two of these are so similar to true moles, they are commonly called and thought of as "moles" in common English ...
Weeders do not want to select weeds and their seeds that look increasingly like cultivated plants, yet there is no other option. For example, early barnyard grass, Echinochloa oryzoides , is a weed in rice fields and looks similar to rice; its seeds are often mixed in rice and have become difficult to separate through Vavilovian mimicry. [ 96 ]
In the English language, many animals have different names depending on whether they are male, female, young, domesticated, or in groups. The best-known source of many English words used for collective groupings of animals is The Book of Saint Albans , an essay on hunting published in 1486 and attributed to Juliana Berners . [ 1 ]
This is an accepted version of this page This is the latest accepted revision, reviewed on 14 January 2025. This is a list of onomatopoeias, i.e. words that imitate, resemble, or suggest the source of the sound that they describe. For more information, see the linked articles. Human vocal sounds Achoo, Atishoo, the sound of a sneeze Ahem, a sound made to clear the throat or to draw attention ...
He divided all living things into two groups: plants and animals. [36] Some of his groups of animals, such as Anhaima (animals without blood, translated as invertebrates) and Enhaima (animals with blood, roughly the vertebrates), as well as groups like the sharks and cetaceans, are commonly used. [39] [40] [41]
Many commonly named groups – rodents and insects, for example – are clades because, in each case, the group consists of a common ancestor with all its descendant branches. Rodents, for example, are a branch of mammals that split off after the end of the period when the clade Dinosauria stopped being the dominant terrestrial vertebrates 66 ...