One way ornithologists study different species of birds is by observation and careful note taking on bird behavior, appearance, and special adaptations.
(ornithologists; study; different species of birds) (One way ornithologists study different species of birds; is; by observation and careful note) (observation and careful note; taking on; bird behavior, appearance, and special adaptations)
ornithologists One way ornithologists study different species of birds observation and careful note
study is taking on
different species of birds
by observation and careful note
bird behavior, appearance, and special adaptations