0
They will have tear marks under their eyes. Dark maroon marks running down from their eye to their cheek bone.
Other answer
Signs of a crying hamster would be,
really wet eyes,
squealing sounds
eyes almost completely shut.
Usually a hamster cry because it's really frightened or in pain.
What else can I help you with?
My dog keeps barking and growling and crying at my new hamster how can i stop it?
Either get rid of the hamster or put it in another room. You don't say what kind of dog it is, but it's probably the dogs natural reaction to want to kill the hamster.
Is a gray dwarf hamster faster then a albino hamster?
It depends on the hamster, so i dont know.
Know any hamster jokes?
What is a hamster that has no legs called? A furball.
What if you lost your hamster but you know where they are?
you get it
How do you know if a hamster is right for you?
Ask yourself one key question: "Do I want a hamster?" If the answer is yes, then any hamster will do.
Which animal doesn't no to swim?
a hamster doesnt know how to swim this is all i know soz
How do you know who the baby hamster mom is?
you will have to ask the person who sold you the hamster that is the only way.
How do you know if a hamster is mean?
If he bites you.
How do you know if the hamster wants to escape?
If you see the hamster looking and nibbling for a place to get out, then they want to get out. I found this answer because my own hamster escaped. 
What are hamster tumor?
hamster tumors are just the same as a humans. When you start to feel small or large bumps on a hamster you will know that its a sign and you should immediately take your hamster to the vet, and they will see what they can do, or if your hamster is in pain, they can put your hamster to sleep humanely.
How do you know what sort of hamster you have?
A Russian hamster is small,quite fat and fluffy. A Chinese hamster is the sallestt, thin with quite big eyes. a syrian hamster is big with fur.
You want to know if im getting a hamster for Christmas?
Get a bear hamster DO NOT get a dwarf hamster they are evil and if you see them in the store and they are not evil yet they will become evil!I LOVE MY BEAR HAMSTER!!!
