WATCH: 12-year-old bird caller goes viral, can mimic over 100 bird calls

Samuel Henderson, 12, shares how he grew interested in mimicking birds and how many he’s learned so far.

​Samuel Henderson, 12, shares how he grew interested in mimicking birds and how many he’s learned so far.  US Samuel Henderson, 12, shares how he grew interested in mimicking birds and how many he’s learned so far.