Squirrels Hiding in Trees

Babyboy was out of the tree by 7:30am when Pat checked on him, but she did not see him anywhere on the ground. Between the three of us we checked periodically throughout the day but no sign of either of the squirrels. Also no sign of Blackie, the injured black one that Bernie had tried to catch with the net. I haven't seen him since that day and I'm worried that he's too terrified to come down from the tree.