:/ Well Luckily your Hamster doesnt seem to be biting.. Because one of MY Dwarfs everytime you put your hand in the Cage she tries to nip/Bite it.. Yet her Sister(Who Lives with her) Is the Tamest Dwarfie Ever!
Hmm.. I just think her Sister is VERY Territorial.. I just think if she is scared.. just keep going at it.. Maybe place a Treat on/in your HAnd until she Climbs into your Hand then Scoop her up,or Lift her out of the Cage?
If that doesnt Work.. Just keep doing what your doing and give her ALOT of Handling time.. and maybe place her back in the Cage then pick her back up? A Few Times of doing this she may become used to the whole experience.. Or Maybe close her in a little are in her cage out of boxes.. Bedding..Toys etc. then Simply attempt too Scoop her up? If she becomes too Stressed just leave her be.. And keep Trying
xx