Meeting Abstract 130-3  Sunday, Jan. 8 11:00 – 11:15  Noisy work loops: A new technique for understanding how muscle intrinsic properties contribute to the non-steady dynamics of rhythmic movements CARR, JA*; ANKARALI, MM; DANOS, N; COWAN, NJ; TYTELL, ED; Tufts Univ.; Middle East Technical Univ.; Univ. of San Diego; Johns Hopkins Univ.; Tufts Univ. jennifer.carr@tufts.edu Intrinsic muscle […]

Meeting Abstract 130-5  Sunday, Jan. 8 11:30 – 11:45  Effects of Peduncle Flexibility on Thunniform Swimming Performance ZHU, R*; LEWIS, GT; BART-SMITH, H; Univ. of Virginia; Univ. of Virginia; Univ. of Virginia rz6eg@virginia.edu Thunniform swimming has been recognized as an efficient swimming type for high-speed travelers such as tuna. When tuna swims, the majority of motion happens […]

Meeting Abstract 130-2  Sunday, Jan. 8 10:45 – 11:00  Characterizing body twisting in elongate fishes: kinematics, mechanics, and control DONATELLI, CM*; SUMMERS, AP; TYTELL, ED; Tufts University; Friday Harbor Labs, University of Washington; Tufts University cassandra.donatelli@tufts.edu Fish live in a complex three-dimensional world and need to actively adapt their swimming behavior to a range of environments. The […]

Meeting Abstract 130-5  Sunday, Jan. 7 11:15 – 11:30  The Evolution of Extreme Structures: Inferring Function from Pattern O’BRIEN, DM*; ALLEN, CE; VAN KLEECK, MJ; HONE, D; KNELL, R; KNAPP, A; CHRISTIANSEN, S; EMLEN, DJ; University of Montana; University of Montana; University of Hawaii, Manoa; Queen Mary University of London; Queen Mary University of London; Queen Mary […]

Meeting Abstract 130-1  Sunday, Jan. 7 10:15 – 10:30  Sexual selection for flight performance in hummingbirds WILCOX, SC*; CLARK, CJ; Univ. of California, Riverside; Univ. of California. Riverside swilc002@ucr.edu Sexual size dimorphism is a widespread phenomenon in animals. In most cases, in birds and mammals, males are larger than females. However, in several species the reverse is […]

Meeting Abstract 130-2  Sunday, Jan. 7 10:30 – 10:45  Local Density of Conspecifics Affects Sperm Phenotypes in Wild Anolis sagrei Lizards KUSTRA, MC*; KAHRL, AF; REEDY, AM; COX, RM; Univ. of Virginia; Stockholm Univ.; Univ. of Virginia; Univ. of Virginia mck8dg@virginia.edu Theory predicts that males should invest more in ejaculate production when the likelihood of sperm competition […]

Meeting Abstract 130-6  Sunday, Jan. 7 11:30 – 11:45  Intrasexually Selected Weapons RICO-GUEVARA, A*; HURME, KJ; Univ. of California, Berkeley; University of Connecticut a.rico@berkeley.edu http://alejorico.com We propose a practical concept that distinguishes the particular kind of weaponry that is used specifically during same-sex combats, which we term “intrasexually selected weapons” (ISWs). We offer hypotheses to answer the […]

Meeting Abstract 130-3  Sunday, Jan. 7 10:45 – 11:00  How Orange Bars in Juvenile Male Collared Lizards, Crotaphytus collaris, May Affect Their Fitness AGAN, JW*; LOVERN, MB; GRINDSTAFF, JL; FOX, SF; Oklahoma State University; Oklahoma State University; Oklahoma State University; Oklahoma State University justin.agan@okstate.edu Sexual selection is a powerful means to explain sexually dimorphic traits in animals. […]

Meeting Abstract 130-4  Sunday, Jan. 7 11:00 – 11:15  Correlated Evolution of Antlers and Tusks in Cervids LOPEZ, N*; STANKOWICH, T; CSU Long Beach; CSU Long Beach nikkip0603@gmail.com Tusks are mostly seen on smaller ungulates and used primarily as sexual weapons, whereas larger ungulates lack tusks but instead possess antlers, used as a visual display of social […]