Answer:
A
Explanation:
It is giving you the way to be able to identify the said bird, by taking note of it's features, calls, size and more. By taking notes, it allows you to be able to study the bird later on after the bird is long gone.
(っ◔◡◔)っ ♥ Atank chu. I don't know what to say, but I hope your having an amazing day! ♥