What Do Wild Baby Squirrels Eat? The Ultimate Emergency Feeding & Diet Guide
Finding an abandoned or injured wild baby squirrel is a stressful situation. One of the first questions that comes to mind is: what do wild baby squirrels eat? Feeding a baby squirrel the wrong food—such as regular cow's milk or human baby formula—can be fatal within hours.
This comprehensive guide covers the natural diet of wild baby squirrels, what to feed them during an emergency, and how to safely raise them until you can reach a licensed wildlife rehabilitator.
Caption: Emergency care and feeding guide for orphaned baby squirrels.
Quick Reference: Feeding Chart by Age
| Age | Appearance | Food Source | Feeding Frequency |
| 0–2 Weeks | Hairless, pink body, eyes closed | Esbilac Puppy Formula | Every 2–3 hours |
| 3–5 Weeks | Light fur, eyes closed or opening | Esbilac Formula + Electrolytes | Every 3–4 hours |
| 6–8 Weeks | Full fur, active, bushy tail | Formula + Rodent Blocks | Every 4–6 hours |
| 8–12 Weeks | Fully active, climbing skills | Rodent Blocks, Greens, Nuts | 2 times daily (Weaning) |
Alt Text: A rescued wild baby squirrel resting safely in human hands
What Do Wild Baby Squirrels Eat in Nature?
In the wild, a baby squirrel (also called a kit or pup) relies entirely on its mother's milk for the first six to eight weeks of life. Mother’s milk provides crucial nutrients, antibodies, and fats necessary for survival.
As they grow, their diet naturally transitions:
- Weeks 0 to 6: Exclusively mother's milk.
- Weeks 6 to 8: Mother's milk supplemented with soft tree bark, buds, and small seeds near the nest.
- Weeks 8 and beyond: Solid foods including acorns, nuts, berries, fungi, insects, and tree sap.
What to Feed an Orphaned Baby Squirrel in an Emergency?
If you find a baby squirrel whose mother is confirmed missing or dead, follow these step-by-step hydration and feeding protocols immediately.
Step 1: Hydrate First (Crucial)
Never feed milk or formula to a cold or dehydrated baby squirrel. Cold stomachs cannot digest food, leading to bloat and death.
- Warm the baby first: Place the squirrel on a heating pad set to low or near a warm water bottle wrapped in a cloth.
- Hydration Solution: Give unflavored Pedialyte or a home-made electrolyte solution (1 quart warm water + 1 teaspoon salt + 1 tablespoon sugar).
- Tool: Use a 1 mL nipple syringe (never use an eye dropper or bottle, as it causes liquid to enter their lungs).
Step 2: The Best Replacement Formula
Once the baby is fully warm and hydrated (after 6–8 hours of electrolyte fluids), transition to an appropriate milk replacer:
- Esbilac Puppy Milk Replacer (Powdered): This is the safest and most widely recommended formula by professional wildlife rehabilitators.
- Fox Valley 32/40 Formula: Specially formulated for wild squirrels aged 0 to 4 weeks.
Alt Text: A wild eastern gray squirrel holding a nut outdoors
Dangerous Foods: What You Should NEVER Feed a Baby Squirrel
Feeding inappropriate food is the leading cause of death in rescued wild squirrels. Avoid these toxic choices:
- ❌ Cow's Milk: Causes severe diarrhea, dehydration, and eventual fatal organ failure.
- ❌ Human Baby Formula or Goat Milk: Lacks the required fat-to-protein ratio needed for squirrel development.
- ❌ Nuts and Seeds (For Babies under 8 Weeks): Babies cannot digest solid nuts. Feeding nuts early causes severe metabolic bone disease (MBD).
- ❌ Pet Food (Cat/Dog food): High protein levels lead to kidney damage.
Frequently Asked Questions (PAA Target)
Can baby squirrels drink cow's milk?
No, baby squirrels cannot drink cow's milk. Cow’s milk does not contain the high fat and protein levels required for a squirrel's growth and causes severe, life-threatening diarrhea.
How often do you feed a wild baby squirrel?
Feeding frequency depends on age:
- Under 2 weeks: Every 2 hours (around the clock)
- 2 to 4 weeks: Every 3 hours
- 4 to 6 weeks: Every 4 hours
- 6 to 8 weeks: 4 times a day
How do I know if a baby squirrel is dehydrated?
Gently pinch the skin on the back of the baby squirrel's shoulders. If the skin stays tented up instead of immediately snapping back, the squirrel is severely dehydrated and needs immediate electrolyte fluid.
Interactive Quiz: Test Your Wildlife Knowledge!
Answer these 3 quick questions to see if you are ready to help a rescued baby squirrel!
1. What is the very first thing you should give a cold, rescued baby squirrel?
2. Which milk replacer is safest for a wild baby squirrel?
3. At what age do wild baby squirrels naturally begin eating solid foods like nuts and rodent blocks?
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