Meeting Abstract 95.3  Monday, Jan. 6 14:00  Battle of the Sexes: Male and female crayfish (Orconectes virilis) use the same type of assessment strategy in different ways WOFFORD, S.J.*; EARLEY, R.L.; MOORE, P.A.; Bowling Green State University, Ohio; University of Alabama, Tuscaloosa; Bowling Green State University, Ohio sjwofford1@gmail.com Agonistic behaviour is an important social aspect of animal […]

Meeting Abstract 95.1  Monday, Jan. 6 13:30  Assessment and communication in gray treefrog aggressive interactions REICHERT, M.S.; Humboldt University-Berlin; University of Missouri michael.s.reichert@hu-berlin.de Aggressive behavior plays an important role in sexual selection and much research has been devoted to determining the characteristics that influence the outcome and level of escalation of animal contests. Nonetheless, a debate remains […]

Meeting Abstract 94.4  Monday, Jan. 6 14:15  Testosterone pleiotropically regulates sexual dimorphism in multiple traits COX, C. L.*; HANNINEN, A. F.; REEDY, A. M.; COX, R. M.; The University of Virginia; The University of Virginia; The University of Virginia; The University of Virginia clcox@virginia.edu Sexual dimorphism is predicted to evolve slowly as genetic correlations are gradually eroded. […]

Meeting Abstract 94.2  Monday, Jan. 6 13:45  Sexually dimorphic learning in a butterfly: learning biases, mate choice, and sexually dimorphic ornamentation WESTERMAN, E.L.*; MONTEIRO, M.; University of Chicago; National University of Singapore ewesterman@uchicago.edu Mate preferences are learned in a wide variety of taxa with sexually dimorphic ornamentation. However, it is unclear what role sexual dimorphism in mate […]

Meeting Abstract 94.1  Monday, Jan. 6 13:30  Effects of domestication on sexual dichromatism in the island canary KOCH, R.E.*; HILL, G.E.; Auburn University; Auburn University rek0005@auburn.edu In many songbird species, males exhibit flashier and more colorful plumage than females. This sexual dichromatism is commonly accepted to arise through sexual selection, though research on the topic is heavily […]

Meeting Abstract 94.3  Monday, Jan. 6 14:00  Developmental erosion of between-sex genetic correlations in a sexually dimorphic lizard COX, R.M.*; MCGLOTHLIN, J.W.; University of Virginia; Virginia Tech rmc3u@virginia.edu Selection often favors dramatically different phenotypes in males and females, but quantitative-genetic theory predicts that the subsequent evolution of sexual dimorphism is potentially constrained by between-sex genetic correlations for […]

Meeting Abstract 93.5  Monday, Jan. 6 14:30  Stability of cockroaches running rapidly on rigid rods HUNT, N/H*; MOON, H/S; HAMMOND, A; BURNETT, N/P; PRITCHARD-BERMAN, M; FULL, R/J; University of California, Berkeley; University of California, Berkeley; University of California, Berkeley; University of California, Berkeley; University of California, Berkeley; University of California, Berkeley nathaniel.hunt@berkeley.edu Running on branches or rods […]

Meeting Abstract 93.8  Monday, Jan. 6 15:15  Prehensile tail use in didelphid marsupials: functional modifications for terrestrial species RUPERT, JE*; BUTCHER, MT; Indiana University School of Medicine; Youngstown State University jerupert@iupui.edu Locomotor behavior has largely been studied through analyses of limb kinematics, gait mechanics, and muscle architecture and fiber type. Evaluating these characteristics in extant mammals is […]

Meeting Abstract 93.1  Monday, Jan. 6 13:30  Optimization for models of legged locomotion: parameter estimation, gait synthesis, and experiment design BURDEN, SA*; SASTRY, SS; FULL, RJ; Univ. of California, Berkeley samaburden@gmail.com Optimization theory provides a powerful framework for the study of organismal biomechanics that enables: estimation of uncertain model parameters or exogenous inputs using empirical data; synthesis […]

Meeting Abstract 93.7  Monday, Jan. 6 15:00  Modulation of strain magnitude in the limb bones of tetrapods AIELLO, B.R.*; IRIARTE-DIAZ, J.; BLOB, R.W.; BUTCHER, M.T.; ESPINOZA, N.R.; MAIN, R.P; ROSS, C.F.; Univ. of Chicago; Univ. of Chicago; Clemson Univ.; Youngstown State Univ.; Clemson Univ.; Purdue Univ.; Univ. of Chicago braiello@uchicago.edu Variation in bone strain magnitude can be […]