The two most probable sources are your hamster and you. If you know the blood isn't yours, such as from a scratch, then it is probably from your hamster. You should carefully check the cage, toys and feed/water equipment over for sharp edges; looking for areas where hair is caught can help.
It could be a urinary tract infection.
it depends on the size of the cage.
Well, hamsters really should not be put in a cage with other hamsters as they fight with each other
Hamsters can live in 10 gallon aquariums (or terrariums). They can live in a plastic cage or a cage with metal bars too. You can also make your own cage, but you must know how. Hamsters also live in the wild in certain parts of the world.
No.................................
well the bigest cage is 5ft 3
Like any hamsters cage?
1+2+4+8=15 There can't be half of a hamster. Start with the smallest cage with the smallest amount possible:1
You shouldn't keep a dwarf in a cage.
Hamsters are solitary creatures, they will fight if you put them together in one cage.
A dwarf hamsters cage can be the same as a regular hamsters'. Metal bars always work! My cousins have dwarf hamsters and they have an aquarium and a metal bar cage connected with plastic tubes. Although they prefer the aquarium more than the metal bar cage they still use the metal bar cage a ton! Hope I helped! :)
You give them food and let them get accustomed to the cage