What Does a Hedgehog Look Like?
A hedgehog is any of the spiny mammals of the subfamily Erinaceinae , in the eulipotyphlan family Erinaceidae. There are seventeen species of hedgehog in five genera found through parts of Europe, Asia, and Africa, and in New Zealand by introduction. There are no hedgehogs native to Australia and no living species native to the Americas the extinct genus Amphechinus was once present in North America. Hedgehogs share distant ancestry with shrews family Soricidae , with gymnures possibly being the intermediate link, and they have changed little over the last 15 million years. The name hedgehog came into use around the year , derived from the Middle English heyghoge , from heyg , hegge "hedge" , because it frequents hedgerows, and hoge , hogge "hog" , from its piglike snout.
Many in Britain are banding together — note the British Hedgehog Preservation Society — to help their prickly neighbors by providing feeding stations, making small holes in fences to allow them free access through gardens thus keeping them off of streets and being more cautious in their use of pesticides. It's all in the spirit of hedgehog love. The hedgehog was named for its unique foraging methods. They root through hedges seeking their prey — mostly insects, as well as worms, centipedes, bird eggs, snails, mice, frogs and snakes — while emitting snorts, squeals and grunts. The collective noun for a group of hedgehogs is "array" or "prickle. Fifteen species of hedgehog can be found all over the world.
Although the Lesser Hedgehog Tenrec sure looks like a hedgehog, it's actually a very different animal. The tenrec family comprises animals that look like hedgehogs, opossums and even otters, but are actually a great example of convergent evolution. LANSING, MI Potter Park Zoo.
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The hedgehog is a small mammal that is predominantly found in Europe , Asia and Africa and the hedgehog has also been artificially introduced to New Zealand. The hedgehog is commonly around 25 cm long, with the hedgehogs back being covered in spikes. The hedgehog can also protect itself by curling its body into a ball so only the hedgehog spikes are exposed. This method of only exposing the spikes of the hedgehog, keeps the hedgehog safe from predators. The hedgehog is a nocturnal mammal that naturally feasts on bugs and insects.
22 things you didn't know about hedgehogs
A tenrec is any species of mammal within the afrotherian family Tenrecidae endemic to Madagascar. They occupy aquatic , arboreal , terrestrial and fossorial environments. Some of these species, including the greater hedgehog tenrec , can be found in the Madagascar dry deciduous forests. However, the speciation rate in this group has been higher in humid forests. All tenrecs are believed to descend from a common ancestor that lived 29—37 million years Ma ago    after rafting over from Africa.
Hair is a defining feature of mammals: it is only found in mammals, and every mammal has hair at some point in its life. Over the course of mammalian evolution, hairs have been modified and specialized to perform many functions, including insulation, camouflage, signaling to potential mates or potential predators , sensing via whiskers or vibrissae , and defense. Some mammals have modified hairs that are enlarged, stiffened, and strengthened to form spikes of different shapes and sizes. These structures, called spines or sometimes quills , always have a thick, hard, outer tube of keratin the fibrous protein that makes up all hair as well as claws, nails, and horn sheaths and tapered, pointed tips. Beyond that basic design, however, the spines of different species are highly variable in size, shape, and function. Functionally, most spines serve as defense from predators, but spines are also important tools for communication, shock absorption, and rain protection. Spines and quills evolved independently at multiple places and times in the mammal tree of life; thus, they are an example of convergence.
How to Pick Up and Hold a Hedgehog