File:Erinaceus_europeaus_(DarkAn9el).jpg · Wikimedia Commons · See Wikimedia Commons
Erinaceus
Sign in to saveErinaceus is a genus of hedgehog from the family of Erinaceidae. There are four main species of Erinaceus. The range is all across Europe, throughout the Middle East, parts of Russia, and extending to northern China and Korea. The European hedgehog (Erinaceus europaeus) has been introduced to New Zealand.
Species
Genus
- PhylumChordata
- ClassMammalia
- OrderErinaceomorpha
- FamilyErinaceidae
蝟屬（学名：Erinaceus）为猬形目猬科的一屬。
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6 sectionsContents
- Description
- Behavior
- Reproduction and lifespan
- Diet
- Species
- References
Erinaceus is a genus of hedgehog from the family of Erinaceidae. There are four main species of Erinaceus. The range is all across Europe, throughout the Middle East, parts of Russia, and extending to northern China and Korea. The European hedgehog (Erinaceus europaeus) has been introduced to New Zealand.
==Description== As is characteristic of other hedgehogs, members of Erinaceus have spines. These spines are a modification of the hair that is formed and strengthened by keratin. They contain hollow air filled gaps separated by thin inner layers of the spine to lessen the weight load. Every spine is tapered at the end to form a point and also at the base where it then forms a bulb that is attached to the skin. The tapering at the base allows the spine to have a section that will bend under stress and dampen forces placed on the spines. Each of the spines has a dermal muscle that erects the spine for defense. The size of Erinaceus is 20–30 cm with a weight of 400–1200 g.