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Full-Text Articles in Behavior and Ethology
Age, Sex, And Aggression In Florida Sandhill Cranes, Stephen A. Nesbitt
Age, Sex, And Aggression In Florida Sandhill Cranes, Stephen A. Nesbitt
Proceedings of the North American Crane Workshop
Individually directed aggressive interactions were recorded for sandhill cranes in Florida over a 9-year period. Charges and stabs were the most frequently observed aggressive behaviors. Paired adults initiated most of the encounters. Males directed 67% of aggressive interactions toward other males and 84% of female aggressive interactions were directed toward other females. The sex of initiator was significantly correlated with the sex of the receiver (P = 0.001). Paired adults directed most aggression (64.7%) toward other paired adults. Aggression initiated by subadult cranes was directed toward adults and subadults with equal frequency. The aggressiveness in males as an indicator of …