Skeeto is a three year old female (pictured left) and ID#A037227 is a male of unknown age (pictured right). Don't adopt them together unless you're planning to house them separately. There are already too many guinea pigs in the world and females can reproduce at any age.
helpful links: Where to Begin? General Care Guide & Quality Hay and Pellets in bulk & Pampering your Pig & Cheaper, Better Cages & Bedding & Essential Guinea Supplies & Proper Diet & Cavy Savvy Vets & "What's Normal? What's Not?" & Guinea Pigs need a friend! Social Interaction & Boy or Girl? & "What is Rescuing and Adopting?" & Social Cause Marketing & Guinea Pigs in PA/NY/NJ/WV