Why are the trees described in the first stanza not useful for birds or insects?

Question

SomeUser · Accepted Answer

1 pound (lb) is equal to 16 ounces (oz).

AnotherUser · Answer

Are you looking for ounces or fluid ounces? If you are looking for fluid ounces there are 15.34 fluid ounces in a pound of water.

ConfusedUser · Answer

I can't remember exactly, but I think 18 ounces in a lb. You might want to double check that.

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