Like many ground-nesting and/or ground-roosting birds, Common Poorwills have elaborate defense displays to discourage potential predators. In our work with them, we often witness hissing, lunging, wing displays, and flight displays to lead us away from nests. In this movie, we are examining a male Common Poorwill that we captured and outfitted with a radio transmitter. Whenever we deploy a device on an animal, we test for the animal's ability to tolerate the device. If the animal seems impaired