hedgehogs are found anywhere, but they will probably be hiding from you :D
Hedgehogs are not naturally found in North or South America, so no.
It is difficult to say, as neither animal may be kept as a pet. Also, platypuses and hedgehogs are found in completely different parts of the world. No doubt platypuses are more popular in Australia. However, as hedgehogs are found in Europe, Asia and Africa, where there is a larger population of people to have an opinion either way, hedgehogs are likely to be more popular.
in the desert !
Basically anywhere.
It is not known whether echidnas and hedgehogs get along, as they are found in different continents.
plague most likely to be found in Asia, America, Africa
From breeders and rescues. See the related links. Try petfinder as well.
Since they are nocturnal, hedgehogs are awake and active during most of the night.
Yes, hedgehogs are legal in Indiana. Hedgehogs are only illegal in the states of Arizona (without permits), California, Georgia (with the exception of licensed breeders), Hawaii, Maine, and Pennsylvania.
Hedgehogs do what they do all year round .In Africa it doesn't get cold in the winter so it doesn't matter to the heggies. But if you own a hedgehog and live in an area where it is cold and do not have a temperature of at least 65 (Fahrenheit) your hedgehog will go into hibernation and most likely die.
Parallelism would most likely be found in an American realist play.