A．Fielding Lewis has taken two pictures of the bird, but it was too fuzzy and he was mistakenly discredited.
B．The author believes that the woodpecker-whisperer do have a telepathic connection to the birds.
C．The quality of the book may not so perfect in itself, but there is still something to be cherished and reflected on.
D．There is much sweating, sitting and waiting before the completion of the book.