•Pitch-the
frequency of call; note whether high or low AND whether level, upslurred or downslurred
•Length (Duration)-note whether long or short
•Rhythm-note
whether there is a pattern in repeated calls
•Quality (Timbre)-the general quality or special characteristic
of a call; described by an adjective(s) such as clear, dry, husky, buzzy, etc. (see next slide)
•Amplitude (Loudness)-CAUTION! This can depend on how close the bird is, the nature of the intervening
space, or the mood of the bird