sexing guinea pigs

One of the most important things to know about your Guinea Pig is it's sex especially if you decide to breed them or more important do not want guinea pig babies.

Genitalia of male and female of cavies are very similar at first sight. To find out gently press on each side of the genital openings and if it's a male the penis can be extruded.

male guinea pig (boar)

Guinea Pig Male

Apply gentle pressure to the male Guinea Pig to show it's extruded penis.

Guinea Pig Sex

female guinea pig (sow)

Guinea Pig Male

Apply gentle pressure to the male Guinea Pig to show it's extruded penis.

Guinea Pig Sex