A test of alternate hypotheses for helping behavior in white-fronted bee-eaters of Kenya S. T. EmlenP. H. Wrege OriginalPaper Pages: 303 - 319
Egg-mimicry as a mating strategy in the fantail darter, Etheostoma flabellare: females prefer males with eggs Roland A. KnappRobert Craig Sargent OriginalPaper Pages: 321 - 326
Age-specific social dominance affects habitat use by breeding American redstarts (Setophaga ruticilla): a removal experiment Thomas W. SherryRichard T. Holmes OriginalPaper Pages: 327 - 333
Behaviorally mediated spatial and temporal refuges from a cleptoparasite, Argochrysis armilla (Hymenoptera: Chrysididae), attacking a ground-nesting wasp, Ammophila dysmica (Hymenoptera: Sphecidae) Jay A. Rosenheim OriginalPaper Pages: 335 - 348
Mating in the afternoon: Time-saving in courtship and remating by females of a polyandrous butterfly Pieris napi L. Johan ForsbergChrister Wiklund OriginalPaper Pages: 349 - 356
Does juvenile helping enhance breeder reproductive success? M. L. LeonardA. G. HornS. F. Eden OriginalPaper Pages: 357 - 361
The role of hatching asynchrony in siblicidal brood reduction of two booby species D. J. Anderson OriginalPaper Pages: 363 - 368
Offspring reproductive value and nest defense in the magpie (Pica pica) Tomas RedondoJuan Carranza OriginalPaper Pages: 369 - 378
