Portal:Animals/Selected animal

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2007

December

A jaguar at the Milwaukee County Zoological Gardens
The Jaguar (Panthera onca) is a New World mammal of the Felidae family and one of four "big cats" in the Panthera genus, along with the tiger, the lion and the leopard of the Old World. The jaguar is the third-largest feline after the tiger and the lion, and on average the largest and most powerful feline in the Western Hemisphere. The jaguar's present range extends from Mexico (with occasional sightings in the southwestern United States) across much of Central America and south to Paraguay and northern Argentina.

This spotted cat most closely resembles the leopard physically, although it is of sturdier build and its behavioural and habitat characteristics are closer to those of the tiger. While dense jungle is its preferred habitat, the jaguar will range across a variety of forested and open terrain. It is strongly associated with the presence of water and is notable, along with the tiger, as a feline that enjoys swimming. The jaguar is a largely solitary, stalk-and-ambush predator, and is opportunistic in prey selection. It is also an apex and keystone predator, playing an important role in stabilizing ecosystems and regulating the populations of prey species. The jaguar has developed an exceptionally powerful bite, even relative to the other big cats. This allows it to pierce the shells of armoured reptiles and to employ an unusual killing method: it bites directly through the skull of prey between the ears to deliver a fatal blow to the brain.


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2008

January

Limax maximus
The Great Grey Slug, Limax maximus (literally, "great slug"), also known as the Tiger slug or the Spotted leopard slug, is one of the largest kinds of keeled slug (second only to Limax cinereoniger). The species is noted for its dark-spotted pale-grey body and the short keel on its tail. These nocturnal animals can grow to be as long as 8 inches (20 cm), feeding mostly on rotting plant matter and fungi. They live for up to three years and are inactive during the winter.

Native to Europe, the slugs have been introduced to Northern America and occur along the East and West sides of that continent. The slugs are almost always found near human habitation — usually in lawns, gardens, cellars or in other damp areas.


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