1. The eavesdropping risk of conspicuous sexual signaling in humpback whales

   • Rebecca A. Dunlop
   • Michael J. Noad

   Original Article 19 August 2021 Article: 124

   

2. Selecting on age of female reproduction affects lifespan in both sexes and age-dependent reproductive effort in female (but not male) Ceratitis cosyra

   • Kevin Malod
   • Petrus D. Roets
   • Christopher W. Weldon

   Original Article 18 August 2021 Article: 123

   

3. The role of social structure and dynamics in the maintenance of endemic disease

   • Matthew J. Silk
   • Nina H. Fefferman

   Invited Review 18 August 2021 Article: 122

   

4. Allo-suckling occurrence and its effect on lactation and nursing duration in harbour seals (Phoca vitulina) in Orkney, Scotland

   • Mònica Arso Civil
   • Emily Hague
   • Lindesay Scott-Hayward

   Original Article Open access 17 August 2021 Article: 121

   

5. Water clarity affects collective behavior in two cyprinid fishes

   • Sabrina C. J. Michael
   • Jon Patman
   • Marvin M. F. Lutnesky

   Original Article 12 August 2021 Article: 120

   

6. Annual movement strategy predicts within-season space use by moose

   • Tomasz Borowik
   • Rafał Kowalczyk
   • Mirosław Ratkiewicz

   Original Article Open access 12 August 2021 Article: 119

   

7. More than just babble: functional and structural complexity of vocalizations of Jungle Babbler

   • Soniya Devi Yambem
   • Sonam Chorol
   • Manjari Jain

   Original Article 09 August 2021 Article: 118

   

8. Unraveling the content of tail displays in an Asian agamid lizard

   • Xia Qiu
   • Qiaohan Hu
   • Yin Qi

   Original Article 07 August 2021 Article: 117

   

9. Egg covering in cavity nesting birds may prevent nest usurpation by other species

   • Tore Slagsvold
   • Karen L. Wiebe

   Original Article Open access 31 July 2021 Article: 116

   

10. Fear of sex: sexual conflict exposed as avoidance in a parthenogenetic invertebrate

    • Marcus Lee
    • Carlota Solano Udina
    • Lars-Anders Hansson

    Original Article Open access 29 July 2021 Article: 115

    

11. Effects of early life adversity on maternal effort and glucocorticoids in wild olive baboons

    • Sam K. Patterson
    • Katie Hinde
    • Joan B. Silk

    Original Article 27 July 2021 Article: 114

    

12. The evolution of ant worker polymorphism correlates with multiple social traits

    • Nathan Lecocq de Pletincx
    • Simon Dellicour
    • Serge Aron

    Original Article 26 July 2021 Article: 113

    

13. Lesser spot-nosed monkeys coordinate alarm call production with associated Campbell’s monkeys

    • Auriane Le Floch
    • Alice Bouchard
    • Klaus Zuberbühler

    Original Article Open access 26 July 2021 Article: 112