Edwin Giesbers / GaiaZOO European Hamster (Cricetus cricetus) Breeding Program: enclosure setup to determine if the hamsters are ready to mate. This is necessary because the wild population cannot survive on its own a...

Edwin Giesbers / European hamsters (Cricetus cricetus) interacting through fenced enclosure setup to determine if the hamsters are ready to mate, part of a breeding program. This is necessary because the wild populati...