1. Multilevel factors affecting early socioemotional development in humans

   • Joy Cui
   • Elisabeth J. Mistur
   • Marc H. Bornstein

   Review 04 October 2018 Article: 172

2. Age, seasonality, and correlates of aggression in female Apennine chamois

   • Niccolò Fattorini
   • Sandro Lovari
   • Francesco Ferretti

   Original Article 02 October 2018 Article: 171

   

3. Lower temperatures decrease worker size variation but do not affect fine-grained thermoregulation in bumble bees

   • Evan Kelemen
   • Anna Dornhaus

   Original Article 02 October 2018 Article: 170

   

4. Influence of interspecific competitors on behavioral thermoregulation: developmental or acute plasticity?

   • Barbora Winterová
   • Lumír Gvoždík

   Original Article 30 September 2018 Article: 169

   

5. The relationship between learning speed and personality is age- and task-dependent in red junglefowl

   • Josefina Zidar
   • Alexandra Balogh
   • Hanne Løvlie

   Original Article Open access 26 September 2018 Article: 168

   

6. Complex interactions underpin social behaviour in Dictyostelium giganteum

   • Santosh Sathe
   • Vidyanand Nanjundiah

   Original Article 22 September 2018 Article: 167

   

7. Effects of acclimatisation on behavioural repeatability in two behaviour assays of the guppy Poecilia reticulata

   • Samuel J. O’Neill
   • Jane E. Williamson
   • Culum Brown

   Original Article 22 September 2018 Article: 166

   

8. First-year sperm whale calves echolocate and perform long, deep dives

   • Pernille Tønnesen
   • Shane Gero
   • Peter T. Madsen

   Original Article 21 September 2018 Article: 165

   

9. Small differences in learning speed for different food qualities can drive efficient collective foraging in ant colonies

   • F. B. Oberhauser
   • A. Koch
   • T. J. Czaczkes

   Original Article 21 September 2018 Article: 164

   

10. Developmental shifts in social cognition: socio-emotional biases across the lifespan in rhesus monkeys

    • Alexandra G. Rosati
    • Alyssa M. Arre
    • Laurie R. Santos

    Original Article 21 September 2018 Article: 163

    

11. Individual size as determinant of sugar responsiveness in ants

    • Roxana Josens
    • M. Agustina Lopez
    • Martin Giurfa

    Original Article 20 September 2018 Article: 162

    

12. Differential seed mass selection on hoarding decisions among three sympatric rodents

    • Lin Cao
    • Chuan Yan
    • Bo Wang

    Original Article 20 September 2018 Article: 161

    

13. Risk for the natural regeneration of Quercus species due to the expansion of rodent species (Microtus arvalis)

    • Jose María Del Arco
    • David Beltrán
    • Carolina Martínez-Ruiz

    Original Article 19 September 2018 Article: 160

    

14. Food hoarding of an avian predator: sex- and age-related differences under fluctuating food conditions

    • Giulia Masoero
    • Chiara Morosinotto
    • Erkki Korpimäki

    Original Article 14 September 2018 Article: 159

    

15. Scatterhoarders move pilfered seeds into their burrows

    • Yueqin Yang
    • Xianfeng Yi

    Original Article 14 September 2018 Article: 158

    

16. Size-dependent variability in the formation and trade-offs of facultative aggregations in golden orb-web spiders (Nephila clavipes)

    • Elise Ferree
    • Stephen Johnson
    • Kaya Mark

    Original Article 10 September 2018 Article: 157