説明
A Black Bear destroys a Mountain Chickadee nest box in Montana. The nestlings were 20 days old, so hopefully some of them escaped. The scale in front of the box is for a project I have that is addressing why birds lose mass during reproduction.
A Black Bear destroys a Mountain Chickadee nest box in Montana. The nestlings were 20 days old, so hopefully some of them escaped. The scale in front of the box is for a project I have that is addressing why birds lose mass during reproduction.