1. **State the problem:** We need to find how many birds were at the feeder for less than 8 seconds based on the given list of times. 2. **List the times:** The times are: 4, 1, 11, 9, 12, 2, 6, 7, 8, 13, 4, 3, 11, 4, 14, 10, 5, 3, 13, 2, 15, 10, 8, 7, 4, 1, 13, 5, 3, 6, 6, 7, 9, 10. 3. **Identify times less than 8 seconds:** These are times strictly less than 8, so we count all times where $t < 8$. 4. **Count the times less than 8:** - Times less than 8 are: 4, 1, 2, 6, 7, 4, 3, 4, 5, 3, 2, 7, 4, 1, 5, 3, 6, 6, 7. 5. **Calculate the total count:** There are 19 such times. 6. **Final answer:** $$\boxed{19}$$ birds were at the feeder for less than 8 seconds.