ABSTRACT
Pennycuick et al. (1989) recently reported results of an experiment in which climbing rate and load-lifting ability were measured for two trained Harris’ hawks (Parabuteo unicinctus Audubon) flying with various amounts of experimentally applied loads. These data were used to estimate climbing power, maximum aerodynamic power output, and performance consequences of loads in the form of radiotracking equipment.
© 1990 by Company of Biologists
1990
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