Petco Text Logo
Petco Pet Logo

  • Two Easy Ways to Start Earning Rewards!

    rewards header
    Become a member today!
    Members-only pricing and offers, personalized care notifications, Vital Care points back on every purchase and more!
    Already a member? Sign in
    Petco Pay LogoBecome a credit card member today!

    Earn 2X Pals Rewards points at Petco
    when you use Petco Pay!

    APPLY NOW
    Learn More About Petco Pay Benefits

How do I figure out if my baby guinea pigs are boys or girls?

Updated On September 23rd, 2025

Pet's info: Small Animal | Guinea Pig | Male | unneutered | 3 months and 24 days old

can someone help me determine the gender of the last 2 baby guinea pigs in the liter? thanks.

This question includes photos that may contain sensitive content. Click to view.

View more to consider that the photos may include sensitive content.

1 Answer

Most Helpful Answer

Image profile

Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on July 11th, 2019

Thanks for using Petco Pet Education Center, formerly Petcoach! At least on these pictures, they both look like males. Keep in mind that it is not that easy to determine this based on a picture. This will be easier to determine when they get a bit older as well. Have a great day!

Vote icon

1Pet Parents found this answer helpful

Related Questions

Petco Pet Education Center
Health & Wellbeing
What to do if my cat has a small hole with pus coming from its ear?
Is your cat's ear hole oozing pus? A Petco vet explains potential infections like abscesses from bites, advising immediate vet care, antibiotics, and recovery.
Updated on September 23, 2025
Petco Pet Education Center
Health & Wellbeing
My degu lost teeth after an accident. How can I feed him soft foods?
Your degu had an accident, lost teeth, and can't eat hard food. A Petco Vet Tech offers crucial advice on immediate vet care and how to feed your injured degu.
Updated on December 04, 2025
Petco Pet Education Center
Health & Wellbeing
How to keep a pet mom and her newborn babies warm and calm?
Support your pet mom and newborn babies! A certified vet offers advice on ideal room temperature, minimizing stress, and quiet intervention for food & water.
Updated on December 04, 2025
Petco Pet Education Center
Health & Wellbeing
My sick small pet is breathing mouth open. Did I drown her feeding?
Is your pet ill, struggling to breathe, or showing stroke signs? A certified vet addresses syringe feeding worries, discusses causes, and outlines treatment options.
Updated on December 04, 2025
Petco Pet Education Center
Health & Wellbeing
How to introduce my cat to a new baby without stress or crib issues?
Pregnant? A certified Vet Tech offers expert advice on helping your cat adjust to a new baby, preventing stress, and keeping them out of baby's crib and belongings.
Updated on September 23, 2025
Petco Pet Education Center
Health & Wellbeing
My dog has a chicken allergy, but her skin and paw sores won't heal.
Dog still struggling with skin issues, shedding, or paw sores after a chicken allergy diagnosis? A licensed vet explains why and offers next steps for healing.
Updated on September 23, 2025
image
Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Book Now

Sponsored