Effect of territory quality on intrusion rate in nonbreeding hummingbirds Lisa MarchesseaultPaul W. Ewald OriginalPaper Pages: 305 - 308
Influence of wing and tail morphology on the duration of song flight in skylarks Anders Pape Møller OriginalPaper Pages: 309 - 314
Roles of interplant movement, acoustic communication, and phototaxis in mate-location behavior of the leafhopper Graminella nigrifrons Randy E. HuntLowell R. Nault OriginalPaper Pages: 315 - 320
Recruitment of mates and deceptive behavior by male Tengmalm's owls Bengt -Göran Carlsson OriginalPaper Pages: 321 - 328
Sexual selection and competitive mating success of males guppies (Poecilia reticulata) from four Trinidad populations P. H. LuytenN. R. Liley OriginalPaper Pages: 329 - 336
Clutch size in the swallowtail butterfly, Battus philenor: the role of host quality and egg load within and among seasonal flights in California Marc Tatar OriginalPaper Pages: 337 - 344
Gyrinid searching tactics: empirical observations and a tactical model Dana L. WinkelmanGary L. Vinyard OriginalPaper Pages: 345 - 351
Spatial organization and mating system of Microtus townsendii Xavier LambinCharles J. Krebs OriginalPaper Pages: 353 - 363
The relationship between male ornamentation and swimming performance in the guppy, Poecilia reticulata Paul F. Nicoletto OriginalPaper Pages: 365 - 370
Genetic relatedness and eusociality: parasite-mediated selection on the genetic composition of groups Jacqui A. ShykoffPaul Schmid-Hempel OriginalPaper Pages: 371 - 376
