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- Schmidt, Kenneth A.; Belinsky, Kara Loeb
- Behavioral ecology and sociobiology 2013 v.67 no.11 pp. 1837-1843
- Strigiformes; animal communication; birds; evolution; males; predation; predators; risk
- ... Predation is an important cost of communication in animals and thus a potent selection pressure on the evolution of signaling behavior. Heterospecific eavesdropping by predators may increase the vulnerability of vocalizing prey, particularly during low light, such as at dusk when nocturnal predators are actively hunting. Despite the risk it entails, dawn and dusk chorusing is common in passerines. ...
- Reichert, Michael S.; Gerhardt, H. Carl
- Behavioral ecology and sociobiology 2013 v.67 no.5 pp. 795-804
- Hyla versicolor; amphibians; animal communication; females; males; motivation
- ... As animal contests escalate, variation in the performance of aggressive signaling behaviors can give important insights into contest dynamics. In anuran amphibians, males of numerous species utilize distinctive aggressive vocalizations during disputes over calling spaces. Little is known, however, about the causes and consequences of variation in aggressive-call characteristics. We analyzed record ...