Songs – Tend to be complex, learned, and given principally by males in prolonged bouts in the breeding season to establish a territory and attract a mate.
Calls – Tend to be simple, innate, and used by both sexes in more general contexts, such as to raise an alarm, maintain contact between flock members, or beg for food.
Spectrogram – A computer- generated graph of sound frequencies across time. (or a way to visualize bird sound)
Frequency – The speed of the sound vibration, and this determines the pitch of the sound.
Amplitude – The size of the sound vibration, and this determines how loud the sound is.
Pitch – The quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone.