of course there are,
how many parents have chucked the terrapin their kids bought in a shop for 50p into a pond, cos its getting to big,
well think back 30yrs there wernt no such thing as a "dangerous animal" license, I can remember a local pet shop having a big brown bear out back, to draw people in, lots of large rural houses had small zoo's to drag punters in, and sell them cups of tea, and £2-00 to look round,
then the laws changed, if you wanted to keep such things, you needed a special license, that cost serious money, new cages etc
how many small places thought sod it, its cheaper