If you have raised the squirrel carefully, keeping contact to a minimum, then the transition to the wild will not be difficult. Even if human contact has been great, release is still an option, it simply requires more time and thought. Body hair emerges at ten to twenty one days. Lower incisors cut at nineteen to twenty one days. Upper incisors cut at thirty to forty two days.
Eyes begin to open at twenty eight to thirty days.
Ears open, at twenty eight to thirty five days. Out of the nest for the first time at thirty to forty six days. Out of the nest alone at fifty four to fifty eight days. Foraging for food at forty five to fifty one days. Social skills practice at sixty days.