It's strong teeth and QUILLS, UNLESS I am wrong.
It has quills.
hedgehogs
Hedgehogs have quills for protection against predators.
Of course. In fact, they should never be handled with gloves.
Hedgehogs havespikes [quills] because in the wild they use it to protect themselves. Hedgehogs do not have sharp as quills as porcupines. They have softer, blunter quills. Hedgehogs shed their quills when they become older.
hedgehogs
The collective nouns are an array of hedgehogs and a prickle of hedgehogs.
In todays world hedgehogs are only used for pets in the USA. But in the UK (Where hedgehogs originate from) they are put in gardens to catch bugs and other pests. Hedgehogs are Omnivores and incectivores. So you can imagine that they would love those bugs! Back a few decades they were put in kitchens to keep out little mice and bugs out of the kitchen. Yes, hedgehogs do eat baby mice (Depending on the hedgie).
They're the Hedgehogs.
No, it doesn't. Not that it matters, hedgehogs are solitary animals!
A group of hedgehogs is known as either an array of hedgehogs or a prickle of hedgehogs.
Hedgehogs are mammals ! They live on land and drink water !