In this nation that loves our cats and dogs we wanted to introduce you to a new pet. A hedgehog. ABC on the reason behind the popularity of the soft little ball of cute. Reporter: These bristly little... See More
In this nation that loves our cats and dogs we wanted to introduce you to a new pet. A hedgehog. ABC on the reason behind the popularity of the soft little ball of cute. Reporter: These bristly little fellas are the pet du jour. Yup, hedgehogs. Just a big spike and after hitting about 20 to 30 a month. Reporter: Breeding hedge hands full time. They're funny and placeful and social. Reporter: Social media is partly responsible for the fad. I mean, the pictures are adorable. Biddy the hedgehog has nearly 378,000 instagram followers. Okay, plus points as pets; they are odorless. You can leave them home alone all day and they don't care. You can pet them -- well, only if they've been handled by humans from birth. This one has not. Reporter: Negatives. They like to run around their cage at night and the rustling might keep you awake. They're banned in five states. Oh, and they can carry salmon elle la. Is this a good pet? What does he get out of this relationship. They're not animals like to be cuddled necessarily. Reporter: She runs a -- including hedge hodges. You can play with a kitten or talk to a bird. What are you going do do with him? Reporter: Stare at him and tell him he's cute. Nick watt, ABC news, los Angeles.
This transcript has been automatically generated and may not be 100% accurate.