DO FEMALE STICKLEBACK CARE ABOUT MALE COURTSHIP VIGOUR? MANIPULATION OF DISPLAY TEMPO USING VIDEO PLAYBACK by WILLIAM J. ROWLAND1) (Department of Biology & Center for the Integrative Study of Animal Behavior, Indiana University, Bloomington IN 47405 U.S.A.) (With 4 Figures) (Acc. 22-IV-1995) Summary Reproductive ♂ and ♀ threespine stickleback Gasterosteus aculeatus were presented with a videotaped sequence of a zigzag dancing ♂ played back at normal (T), half (0.5T), one-and- a-half (1.5T), double (2T) and triple (3T) tempo. Playbacks were displayed pairwise (T/0.5T; T/ 1.5T; T/2T; T/3T) on monitors placed at opposite ends of the test tank. Each playback pair was displayed to subjects for 4 min, with display locations switched to opposite ends of the test tank at 2 min to control for position preference. Both ♂ and ♀ subjects responded to playback images much like they do to live ♂♂ , ∏ demonstrating the potential of video playback for analysing visual communication in stickleback. Male and ♀ subjects contacted 1.5T and 2T images as much as images moving at normal tempo but they contacted 0.5T and 3T images less. Thus, subjects were more attracted to ♂♂ displaying at normal to slightly faster tempo than to ♂♂
Behaviour – Brill
Published: Jan 1, 1995
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