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A skin-skeletal preparation Close-up of the last 5 millimetres (0.20 in) of a hedgehog spine (SEM microscopy) A hedgehog that feels threatened can roll into a tight ball. Hedgehogs roll into a tight spiny ball when threatened, tucking in the furry face, feet, and belly. [7] The hedgehog's back contains two large muscles that direct the quills.
The average mass of a fully grown male is 350 g (12 oz). The main color is brown but there are other colors too. A Southern African hedgehog is covered with spines all over its body except for its face, belly and ears, and these spines are made of keratin protein with a hollow shaft and a muscle for each spine. [2]
Pelvic fin of a Java barb, a ray-finned fish The short fin spines on a coelacanth, a lobe-finned fish A lionfish, with venomous spines The stinger on a stingray's tail. Spines are found in the fins of most bony fishes, particularly actinopterygians (ray-finned fishes), who have folding fan-like fin made of spreading bony spines called lepidotrichia or "rays" covered by thin stretches of skin.
A paper published in Current Biology revealed that the fear of humans “significantly exceeded” the fear of lions in the savanna mammal community. However, it’s not entirely a good thing.
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. [2] [3]
When I was 10 my mom found a piece of paper with two columns. One column header read "Bush" and the other read "Gore" and underneath each column was a list of every swear word imaginable (at least ...
One of the most popular book-length children's poems in Serbian is Branko Ćopić's Ježeva kućica, (The Hedgehog's Little House) Fuzzypeg, a friend of Little Grey Rabbit. Yona, the Hedgehog, is a mythical character in Richard Adams' Watership Down. Shakespeare referenced hedgehogs in The Tempest and Midsummer Night’s Dream.
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