Free shipping on every order over $50 · No hidden fees · Easy 30-day returns · Brand new items every day · By pet owners for Pet Owners

First-Time Guinea Pig or Rabbit Owner? Start Here

By 4myPet admin · July 15, 2026

Small pets get underestimated a lot — they're often treated as a "starter pet" for kids, when in reality guinea pigs and rabbits have fairly specific care needs of their own. If you're a few days into life with a new small pet, here's what actually matters most early on.

Hay is the foundation, not a snack

For both rabbits and guinea pigs, unlimited fresh hay should make up the majority of their diet — not pellets, and not treats. It's essential for digestion and for keeping their teeth (which grow continuously) worn down properly. If you only fix one thing about a small pet's setup, make it constant access to fresh, good-quality hay.

Guinea pigs need vitamin C — rabbits don't

This is one of the most common mix-ups. Unlike most animals, guinea pigs can't produce their own vitamin C and need it from their diet consistently, usually through a good pellet formulated for guinea pigs specifically (not a generic "small pet" pellet) plus small amounts of vitamin-C-rich vegetables. Rabbit pellets are formulated differently, so the two aren't interchangeable even though they look similar on a shelf.

Cage size matters more than it looks like it should

A cage that looks "big enough" in a store display is often too small for full-time living. Both rabbits and guinea pigs need enough room to take several hopping strides in one direction, plus separate areas for eating, sleeping, and bathroom habits. If you're not sure, err toward more space rather than less — a cramped enclosure is one of the most common sources of stress-related health issues in small pets.

They're prey animals — handling takes patience

Being picked up can feel like being caught by a predator if a small pet hasn't built trust yet. Start by simply sitting near the cage and letting them approach your hand at floor level before attempting to pick them up. Short, calm handling sessions built up gradually tend to produce a much more confident, easier-to-handle pet than frequent unplanned pickups early on.

A simple daily checklist

  • Fresh hay topped up (not just "some left")
  • Water bottle or bowl checked and cleaned
  • Fresh vegetables appropriate to species
  • A few minutes of calm, low-pressure interaction
  • A quick visual check for normal eating, movement, and alertness

Setting up a first home for a small pet? Our small pet collection has hideouts, feeders, and enclosure accessories sized for rabbits and guinea pigs specifically.