Survey partner can collect and record this information during the listening period. Individuals can be counted. There is space between calls. 2 Calls of individuals can be distinguished but there is some overlapping of calls. 3 Full chorus.
Calls are constant, continuos, and overlapping.
Moves thin branches, raises dust and loose paper. Flashlight Thermometer Light colored clothing Optional Tape recorder Practice tape Blank tape Cell phone Learning more Frequently asked questions To learn more about the program and becoming a volunteer, contact Alice .