Male and female chinchillas look alike, so can be difficult to tell apart. How can you tell if a chinchilla is male or female? Males have a gap between the urethra and the anus, while in females, they are pressed together. The penis and the testes are not visible, while males have visible nipples like females, so this is the only difference. You can spot it by holding your chinchilla in a way that exposes its genitals.
Breeding & Babies
3 Ways to Determine the Sex of a Chinchilla - wikiHow Pet
Because they can breed prolifically and because you should keep them in single-gender pairs, not alone, determining gender is crucial. Although you can probably make a good guess if you examine your pets carefully, ask your vet for confirmation to be on the safe side. Using both hands, lift the chinchilla onto your lap and position him upside down or upright with his rump supported. Ask somebody to help if the chinchilla is prone to wriggling. You want to view his or her genital area, located on the underside near the tail—you might need to gently part the fur with your fingers to see it properly. The one nearer the tail is the anus and the other one is either the vagina or the penis slot.
Chinchilla sexing and pregnancy
Last Updated: March 29, References. She graduated from the University of Glasgow in with a degree in veterinary medicine and surgery. She has worked at the same animal clinic in her hometown for over 20 years.
Knowing which sex your chinchilla has is important to provide it with the right care and avoid problems. If you want to keep more than one chinchilla, it is even more important to know the sex, to avoid unwanted pregnancies and fights over dominance. The average length of a chinchilla pregnancy is days, but up to days is considered normal.