Mongooses are mainly African, with one genus also widespread in Asia and southern Europe (and it has been widely introduced elsewhere). Several genera are restricted to Madagascar; these are placed in their own subfamily, Galidiinae. Overall, 34 species are found in about 20 genera.
Mongooses are small carnivores. Their body lengths vary from around 230 mm to over 750 mm, and their weights range from less than 1 kg to around 5 or 6 kg. Most are brown or gray. A few species are striped, but most are not. A very few species have banded tails. The claws are not retractile. Herpestids tend to have small heads, pointed snouts, and short, rounded ears that are not as conspicuously erect or pointed as those of viverrids. Many have anal (not perianal, as in viverrids) glands that secrete a foul-smelling substance. Male herpestids have a baculum.
The skull of most herpestids is long and flattened. One pair of lower incisors appears to be slightly out of (raised above) the line defined by the incisor row. The carnassials are well developed. The last upper molar is not constricted in the middle. The dental formula is 3/3, 1/1, 3-4/3-4, 1-2/1-2 = 32-40. In the auditory bullae, the demarcation between ectotympanic and entotympanic parts of the bullae is clear, and in this family it is perpendicular to the long axis of the skull (it is oblique to that axis in members of the family Viverridae). The ectotympanic part of the bullae is approximately equal in size to the entotympanic part, or larger. A median lacerate foramen is present.
Most herpestids are predators, feeding on a wide range of animals including small mammals and birds (including bird eggs), reptiles (especially snakes), a wide variety of insects, and crabs. Their ability to kill poisonous snakes such as cobras and adders is legendary. Their success is due to speed and agility, for they are not immune to the snake's poison. Some species also include vegetable material in their diets, feeding on tubers, fruits, and berries.
Some herpestids are gregarious, occurring in colonies that sometimes include more than 50 individuals. Others are solitary. Most species are terrestrial, often making complex burrow systems, but a few include arboreal habitats in their foraging. Herpestids are found in a wide variety of habitats, ranging from desert to tropical forest. Some species are semiaquatic, readily entering the water to feed on fish, crabs and other aquatic organisms.
Mongooses have been introduced to a number of places, usually to help control snakes and rodent pests. Unfortunately, this has rarely, if ever worked, and the the introduced mongooses have generally been a worse problem than the creatures they were introduced to control.
 banded mongoose |
 fossa |
 marsh mongoose |
 meerkat trio |
 mongoose |
 suricat |
 white tailed mongoose |
 yellow mongoose |
Superfamily Canoidea Family Canidae Family Ursidae Family Otariidae Family Odobenidae Family Procyonidae Family Mustelidae Family Phocidae Superfamily Feloidea Family Viverridae Family Herpestidae Family Hyaenidae Family Felidae<<<<<<<>>>>>>> ARTIODACTYLA CARNIVORA CETACEA CHIROPTERA DASYUROMORPHIA DERMOPTERA DIDELPHIMORPHI DIPROTODONTIA HYRACOIDEA INSECTIVORA LAGOMORPHA MACROSCELIDEA MICROBIOTHERIA MONOTREMATA NOTORYCTEMORPHIA PAUCITUBERCULATA PERAMELEMORPHIA PERISSODACTYLA PHOLIDOTA PRIMATES PROBOSCIDEA RODENTIA SCANDENTIA SIRENIA TUBULIDENTATA XENARTHRA
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