Ornaments and condition: plumage patch sizes, nutritional reserve state, reserve accumulation, and reserve depletion Gergely HegyiSusanne Jenni-EiermannJános Török Original Article Open access 01 June 2019 Article: 89
Transitivity and structural balance in marmot social networks Tina W. WeyFerenc JordánDaniel T. Blumstein Original Article 29 May 2019 Article: 88
Lizard calls convey honest information on body size and bite performance: a role in predator deterrence? Simon BaeckensDiego LlusiaJosé Martín Original Article 29 May 2019 Article: 87
Learning prosociality: insights from young forager and subsistence farmer children’s food sharing with mothers and others Gilda MorelliPaula Ivey HenryBryn Spielvogel Review 28 May 2019 Article: 86
Parental sex allocation and sex-specific survival drive offspring sex ratio bias in little owls Matthias TschumiJolanda HumbelMartin U. Grüebler Original Article 27 May 2019 Article: 85
Ant personalities and behavioral plasticity along a climatic gradient Udi SegevSusanne Foitzik Original Article 27 May 2019 Article: 84
The role of male coloration and ornamentation in potential alternative mating strategies of the dimorphic jumping spider, Maevia inclemens Laurel B. LietzenmayerDavid L. ClarkLisa A. Taylor Original Article Open access 27 May 2019 Article: 83
Elevation affects extra-pair paternity but not a sexually selected plumage trait in dark-eyed juncos Katie LaBarberaKia R. R. HayesEileen A. Lacey Original Article 26 May 2019 Article: 82
Crickets become behaviourally more stable when raised under higher temperatures Petri T. NiemeläPeter Philip NiehoffCristina Tuni Original Article 26 May 2019 Article: 81
A guide for ecologists to build a low-cost selective trap using radio frequency identification detection Magali MeniriAnthony FarleyNicolas Fasel Methods Papers 25 May 2019 Article: 80
How robust are risk-taking associations in incubating birds? A test and a review Kylee F. GrahamDave Shutler Original Article 24 May 2019 Article: 79
How exploitation launched human cooperation Rahul BhuiMaciej ChudekJoseph Henrich Original Article 23 May 2019 Article: 78
Current parasite resistance trades off with future defenses and flight performance Collin J. HornLien T. Luong Original Article 22 May 2019 Article: 77
Parental feeding responses to experimental short-term partner removal in a species with male and female brood desertion Alejandro CantareroMireia PlazaM. Griggio Original Article Open access 20 May 2019 Article: 76
Associative learning is necessary for airborne pheromones to activate sexual arousal-linked brain areas of female rats Yao-Hua ZhangMing-Ming TangJian-Xu Zhang Original Article 15 May 2019 Article: 75
Fixed or flexible? Winner/loser effects vary with habitat quality in a parasitoid wasp Marlène GoubaultMylène ExbrayatRyan L. Earley Original Article 11 May 2019 Article: 74
The driving forces behind female-female aggression and its fitness consequence in an Asian agamid lizard Yayong WuMartin J. WhitingYin Qi Original Article 09 May 2019 Article: 73
Aggression, color signaling, and performance of the male color morphs of a Brazilian lizard (Tropidurus semitaeniatus) Andre C. BruinjéFelipe E. A. CoelhoGabriel C. Costa Featured Student Research Paper 08 May 2019 Article: 72
Allomaternal care, brains and fertility in mammals: who cares matters Sandra A. HeldstabKarin IslerCarel P. van Schaik Original Article 30 May 2019 Article: 71
