Maternal investment, sibling competition, and offspring survival with increasing litter size and parity in pigs (Sus scrofa) Inger Lise AndersenEric NævdalKnut Egil Bøe Original Paper Open access 12 January 2011 Pages: 1159 - 1167
The effect of maternal body size on embryo survivorship in the broods of pregnant male pipefish Kenyon B. MobleyCharlotta KvarnemoAdam G. Jones Original Paper 11 January 2011 Pages: 1169 - 1177
Support for maternal manipulation of developmental nutrition in a facultatively eusocial bee, Megalopta genalis (Halictidae) Karen M. KapheimSandra P. BernalWilliam T. Wcislo Original Paper Open access 06 January 2011 Pages: 1179 - 1190
Maternal nutrition affects offspring performance via maternal care in a subsocial spider Mor SalomonDavid MayntzYael Lubin Original Paper 29 December 2010 Pages: 1191 - 1202
No evidence for offspring sex-ratio adjustment to social or environmental conditions in cooperatively breeding purple-crowned fairy-wrens Sjouke A. KingmaMichelle L. HallAnne Peters Original Paper 31 December 2010 Pages: 1203 - 1213
Tests of the harassment-reduction function and frequency-dependent maintenance of a female-specific color polymorphism in a damselfly Mingzi XuOla M. Fincke Original Paper 11 January 2011 Pages: 1215 - 1227
Body size and sexual selection in the koala William A. H. EllisFred B. Bercovitch Original Paper 06 January 2011 Pages: 1229 - 1235
Spectral reflectance and communication in the wolf spider, Schizocosa ocreata (Hentz): simultaneous crypsis and background contrast in visual signals David L. ClarkJ. Andrew RobertsGeorge W. Uetz Original Paper 29 January 2011 Pages: 1237 - 1247
Experienced males have higher mating success than virgin males despite fitness costs to females Panagiotis G. MilonasShannon L. FarrellDavid A. Andow Original Paper 18 January 2011 Pages: 1249 - 1256
Yolk androgens in great tit eggs are related to male attractiveness, breeding density and territory quality Vladimír Remeš Original Paper 18 January 2011 Pages: 1257 - 1266
Growth rate and retention of learned predator cues by juvenile rainbow trout: faster-growing fish forget sooner Grant E. BrownMaud C. O. FerrariDouglas P. Chivers Original Paper 18 January 2011 Pages: 1267 - 1276
Hovering guards of the stingless bee Tetragonisca angustula increase colony defensive perimeter as shown by intra- and inter-specific comparisons Jelle S. van ZwedenChristoph GrüterFrancis L.W. Ratnieks Original Paper 18 January 2011 Pages: 1277 - 1282
Variation in signal timing behavior: implications for male attractiveness and sexual selection Gerlinde Höbel Original Paper 20 January 2011 Pages: 1283 - 1294
Prior residency advantage for Atlantic salmon in the wild: effects of habitat quality Eli KvingedalSigurd Einum Original Paper Open access 21 January 2011 Pages: 1295 - 1303
Female mate preference for a costly ornament in male guppies Kenji KarinoTakatsugu IshiwatariAya Sato Original Paper 18 January 2011 Pages: 1305 - 1315
Quantifying iridescent coloration in animals: a method for improving repeatability Melissa G. MeadowsNathan I. MorehouseKevin J. McGraw Methods 06 January 2011 Pages: 1317 - 1327