Question

Which might be a cause for the increase in songbirds at the feeders?

Answer 1

The correct answer for this question would be the second option. The cause for the increase on songbirds at the freeders is the addition of dried apples and raisins to the formula.

Because song birds like dried apples and rasins very much so by the addition of dried apples and rasins to the formula you will increase the number of feeders.

Answer 2

Going by the passage about bird food and bird watching, which is noted by Dr. Elsa Birde, a possible reason why there might be an the increase in songbirds at the freeders is the addition of dried apples and raisins to the formula.