Bachelor and paired male rufous-and-white wrens use different singing strategies Holly L. HenninNicole K. S. BarkerDaniel J. Mennill Original Paper 08 August 2009 Pages: 151 - 159
The effects of young brood on the foraging behavior of two strains of honey bees (Apis mellifera) Jennifer M. TsurudaRobert E. Page Jr. Original Paper Open access 05 August 2009 Pages: 161 - 167
Light environment and mating behavior in Trinidadian guppies (Poecilia reticulata) Gabrielle A. ArchardInnes C. CuthillJulian C. Partridge Original Paper 05 August 2009 Pages: 169 - 182
Growth rate and hatching date in ostrich chicks reflect humoral but not cell-mediated immune function Maud BonatoMatthew R. EvansMichael I. Cherry Original Paper 13 August 2009 Pages: 183 - 191
Females alter their song when challenged in a sex-role reversed bird species Nicole GeberzahnWolfgang GoymannCarel ten Cate Original Paper Open access 20 August 2009 Pages: 193 - 204
Colorful tails fade when lizards adopt less risky behaviors Dror Hawlena Original Paper 25 August 2009 Pages: 205 - 213
Operant conditioning and copulation solicitation display assays reveal a stable preference for local song by female swamp sparrows Melospiza georgiana Rindy C. Anderson Original Paper 25 August 2009 Pages: 215 - 223
Effects of extreme variation in female morph frequencies on the mating behaviour of male damselflies Janice J. TingJessica BotsThomas N. Sherratt Original Paper 29 August 2009 Pages: 225 - 236
Individual variation in the relationship between vigilance and group size in eastern grey kangaroos Alecia J. CarterOlivier PaysAnne W. Goldizen Original Paper 27 August 2009 Pages: 237 - 245
Sex differences in the movement patterns of free-ranging chimpanzees (Pan troglodytes schweinfurthii): foraging and border checking Lucy A. BatesRichard W. Byrne Original Paper 25 August 2009 Pages: 247 - 255
Male mate guarding in a socially monogamous mammal, the round-eared sengi: on costs and trade-offs Melanie SchubertCarsten SchradinDavid O. Ribble Original Paper 26 August 2009 Pages: 257 - 264
Climate and maternal effects modify sex ratios in a weakly dimorphic marsupial Steven DeleanGlenn De’athHelene Marsh Original Paper 04 September 2009 Pages: 265 - 277
Experimental examination of behavioural interactions between free-ranging wild and domestic canids Abi Tamim VanakMaria ThakerMatthew E. Gompper Original Paper 16 September 2009 Pages: 279 - 287
Re-orientation in clock-shifted homing pigeons subjected to a magnetic disturbance: a study with GPS data loggers Anna GagliardoMaria SaviniPaolo Ioalè Original Paper 16 September 2009 Pages: 289 - 296
Round your numbers in rank tests: exact and asymptotic inference and ties Markus NeuhäuserGraeme D. Ruxton Methods 26 August 2009 Pages: 297 - 303
