Watching birds through binoculars lets you see many species and observe their behavior, but banding them enables you to get even closer, to hold them in your hand and see them up close.
因為帶著望遠鏡賞鳥，可以見到許多鳥種和它們的行為；但繫放卻能更進一步接近鳥，把它握在手上反覆觀察。