I really don't know much about their sounds, but the more I watch and listen, the more I notice trends :) Usually it's the warnings they give off that the cameraman is snooping around again ;)

I love tits :) Tit meant small bird before it meant... well you know :p Can tits be big?

Fascinating video ratel! Smart little things :) I made the mistake of putting my hand out for a red-winged blackbird once, but didn't have any food, and that bird gave me a real hard poke and dirty look that I wont soon forget :) Lesson learned!