Are you seeing many of these balls of leaves in trees? These are the warm-weather homes of gray squi
Are you seeing many of these balls of leaves in trees? These are the warm-weather homes of gray squirrels (Sciurus carolinensis). They’re called dreys and are made of leafy branches, with an inner lining of moss or other soft stuff. With branches now bare and temperatures dropping, dreys aren’t ideal places to spend the winter. Many squirrels will find shelter in an attic or other warmer place. -- source link
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