Table 1. Courtship Behavior.

ACTIVITIES	Reference
Bowing	[17,18]
Tail wagging	T. D. Schaming, personal observation
Opening and closing bill while pumping legs	T. D. Schaming, personal observation
Neck stretching	[17,18]
Hopping close together on branch with bills open	T. D. Schaming, personal observation
Wild, rapid flights; chasing, flying directly at one another, and making direct contact in air while both flap their wings	[18,29], T. D. Schaming, personal observation
One crouching, stretching out and fluttering wings, other feeding	[17,18]
Carrying sticks while performing other courtship displays	[17,18]
CALLS
Courtship begging	[17,18]
Musical or chirrup	[17,18]
Hiccup	[17]
Crackle- and- whistle or crackle	[17,18]
Pop-click	[17]
Bullfrog or croaking	[17,18]

Courtship behavior includes one or a combination of the following activities and/or calls.