Okalee Song (o-ka-lee') 1. Given by males in spring. The song is given on territory. Its purpose is to warn other males off the territory ("This is MY piece of this marsh") and to attract mates ("Check out THESE cattails!").
Chip Call (chip) 1. Given by males and females in many situations as a general contact call ("Hey, look! Food!") 2. Alerts group members to danger ("Heads up!")
Chap call (chap) Very similar to Chip call. 1. Given by males and females in many situations as a general contact call ("Hey, look! Food!") 2. Alerts group members to danger ("Heads up!")
Sputter Call [also called the "Teer" or Female Song] (chatter or sputter) Given by females when defending nest area or chasing off other females. ("Go build your nest somewhere else!")
Twitter Call (long drawn out twitterings) 1. Given by both males and females during courtship ("Hey, sweetie!") 2. Given by females after a Sputter Call, perhaps to show nearby females which one is most dominant ("I'm queen of the marsh!")
Whistle (downward slurred "Jeer") Given by males in alarm situations ("Look out! Here comes a human!")
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