1. Litter characteristics and helping context during early life shape the responsiveness of the stress axis in a wild cooperative breeder

   • Aurélie Cohas
   • Coraline Bichet
   • Benjamin Rey

   Original Article 15 December 2021 Article: 171

   

2. Fatal attraction: territorial males of a neotropical lizard increase predation risk when females are sexually receptive

   • Stefânia P. R. Ventura
   • Conrado A. B. Galdino
   • Paulo Enrique C. Peixoto

   Original Article 13 December 2021 Article: 170

   

3. Sick and tired: sickness behaviour, polyparasitism and food stress in a gregarious mammal

   • Rosemary Blersch
   • Tyler R. Bonnell
   • S. Peter Henzi

   Original Article 10 December 2021 Article: 169

   

4. Optimal clutch size and male incubation investment in the male-only incubating emu (Dromaius novaehollandiae)

   • Julia Ryeland
   • Clarissa M. House
   • Ricky-John Spencer

   Original Article 10 December 2021 Article: 168

   

5. Drivers of passive leadership in wild songbirds: species-level differences and spatio-temporally dependent intraspecific effects

   • Samin Gokcekus
   • Josh A. Firth
   • Ben C. Sheldon

   Original Article Open access 03 December 2021 Article: 167

   

6. Urban lizards use sleep sites that mirror the structural, thermal, and light properties of natural sites

   • Nitya Prakash Mohanty
   • Mihir Joshi
   • Maria Thaker

   Original Article 03 December 2021 Article: 166

   

7. Cooperation by ant queens during colony-founding perpetuates alternative forms of social organization

   • Pierre Blacher
   • Ornela De Gasperin
   • Michel Chapuisat

   Original Article Open access 30 November 2021 Article: 165

   

8. How territoriality reduces disease transmission among social insect colonies

   • Natalie Lemanski
   • Matthew Silk
   • Oyita Udiani

   Original Article 30 November 2021 Article: 164

   

9. Group size and modularity interact to shape the spread of infection and information through animal societies

   • Julian C. Evans
   • David J. Hodgson
   • Matthew J. Silk

   Original Article 27 November 2021 Article: 163

   

10. Movement modeling and patterns of within- and among-individual behavioral variation across time scales in neonate garter snakes (Thamnophis elegans)

    • Eric J. Gangloff
    • Vianey Leos-Barajas
    • Anne M. Bronikowski

    Original Article 24 November 2021 Article: 162

    

11. Does genetic differentiation underlie behavioral divergence in response to migration barriers in sticklebacks? A common garden experiment

    • A. Ramesh
    • M. M. Domingues
    • M. Nicolaus

    Original Article Open access 24 November 2021 Article: 161

    

12. Niche partitioning among social clusters of a resident estuarine apex predator

    • Krista Nicholson
    • Lars Bejder
    • Neil Loneragan

    Original Article 15 November 2021 Article: 160

    

13. Social and sexual behaviors predict immune system activation, but not adrenocortical activation, in male rhesus macaques

    • Rachel M. Petersen
    • Michael Heistermann
    • James P. Higham

    Original Article 13 November 2021 Article: 159