Can hamsters eat boiled egg?
Sources
PDSA: Hamsters as pets (opens in a new tab)
“Hamsters like the occasional treat such as nuts, small pieces of boiled egg, or mealworms.”
Merck Veterinary Manual: Providing a Home for a Hamster (opens in a new tab)
“Small amounts of fruits, vegetables … can be given, but treats should make up no more than 10% of the diet.”