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An insectivore is a carnivorous animal or plant that eats insects. [1] An alternative term is entomophage , [ 2 ] which can also refer to the human practice of eating insects . The first vertebrate insectivores were amphibians .
European hedgehog (Erinaceus europaeus). The order Insectivora (from Latin insectum "insect" and vorare "to eat") is a now-abandoned biological grouping within the class of mammals.
Circular dendrogram of feeding behaviours A mosquito drinking blood (hematophagy) from a human (note the droplet of plasma being expelled as a waste) A rosy boa eating a mouse whole A red kangaroo eating grass The robberfly is an insectivore, shown here having grabbed a leaf beetle An American robin eating a worm Hummingbirds primarily drink nectar A krill filter feeding A Myrmicaria brunnea ...
Entomophagy is widespread among many animals, including non-human primates. [3] Animals that feed primarily on insects are called insectivores . Insects, [ 4 ] nematodes [ 5 ] and fungi [ 6 ] that obtain their nutrition from insects are sometimes termed entomophagous , especially in the context of biological control applications.
Historically, these animals were grouped with others such as treeshrews, elephant shrews, and colugos, under the broader category Insectivora, comprising all small insect-eating placental mammals. Wilhelm Peters identified two sub-groups of Insectivora, distinguished by the presence or absence of a cecum in the large intestine. [ 3 ]
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Nesophontes, sometimes called West Indies shrews, is the sole genus of the extinct, monotypic mammal family Nesophontidae in the order Eulipotyphla.These animals were small insectivores, about 5 to 15 cm long, with a long slender snout and head and a long tail.
The gnatcatchers are mainly soft bluish grey in color, and have the typical insectivore's long sharp bill. Many species have distinctive black head patterns (especially males) and long, regularly cocked, black-and-white tails. The skulking gnatwrens are browner, more thickset, and with proportionally shorter tails and longer bills. [1]