Guinea Pigs in Need e.V. is a registered animal welfare organization based in Kelsterbach, Germany, dedicated to rescuing, rehabilitating, and rehoming guinea pigs in distress. The association provides temporary foster care and medical treatment for vulnerable animals while seeking appropriate permanent homes that meet strict species-appropriate housing standards. Staffed entirely by volunteers, the organization also educates the public on proper guinea pig care and welcomes supporters to assist with animal care and foster placement programs.