Hamsters are as sweet as they are tiny - weighing in at just 100 to 150 grams, some varieties just 30 to 50 grams. With their cheeks stuffed with food, you just want to cuddle them. Don't.

The IUCN says that in the 20th Century, a female hamster would give birth to an average of 20 baby hamsters a year ... It's not quite as cute as the European Hamster, but it's been used in ...