It depends on the tipe of hamster you have to be more specific
They can, but it might make them sick. Hamsters are small, therefor they need very small food.
AT the most? maybe 3. If the hamsters are small maybe 4 or 5. It all depends how big/small the ball/hamsters are.
yes, snakes will eat small animals such as hamsters.
in small portions
They can in small amounts.
Hamsters are small rodents and Narwhals are big whales with tusks.
no, hamsters tails are quite small and sometimes difficult to see.
yes, you may see a small spike coming from a male hamsters we-we. They also can get wet dreams.
bird are small animals and moles, and hamsters
the smallest are called dwarf hamsters
definetly, cats are a risk to all small pets; includng dwarf hamsters
They can grow up to two inches