Squirrels!

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Across
  1. 3. Another word for drey (where squirrels live)
  2. 5. These fruits are found on oak trees
  3. 6. This is the biggest squirrel in PA
  4. 7. This is the hardest to find squirrel in PA
  5. 9. This is the smallest squirrel in PA
Down
  1. 1. These fruits are found on black walnut trees
  2. 2. Squirrels eat these from birds' nests
  3. 4. This type of nut is found on a shagbark tree
  4. 8. This is the most common squirrel in PA