Environmental influences on development of executive functions in dogs Maike ForaitaTiffani HowellPauleen Bennett Review 21 February 2021 Pages: 655 - 675
Parental favoritism in a wild bird population Madison BrodeKelly D. MillerE. Keith Bowers Original Paper 05 January 2021 Pages: 677 - 687
Territorial calls of the bat Hipposideros armiger may encode multiple types of information: body mass, dominance rank and individual identity Congnan SunChunmian ZhangTinglei Jiang Original Article 06 January 2021 Pages: 689 - 702
Do alternative reproductive tactics predict problem-solving performance in African striped mice? Celine RochaisNeville PillayCarsten Schradin Original Paper 09 January 2021 Pages: 703 - 716
Early evidence for emotional play contagion in juvenile ravens Katharina WenigPalmyre H. BoucherieThomas Bugnyar Original Article Open access 09 January 2021 Pages: 717 - 729
Time perception and patience: individual differences in interval timing precision predict choice impulsivity in European starlings, Sturnus vulgaris Clare AndrewsJonathon DunnMelissa Bateson Original Paper Open access 12 January 2021 Pages: 731 - 745
Dog–human behavioral synchronization: family dogs synchronize their behavior with child family members Shelby H. WanserMegan MacDonaldMonique A. R. Udell Original Paper 12 January 2021 Pages: 747 - 752
Early life differences in behavioral predispositions in two Alligatoridae species Stephan A. ReberJinook OhAnna Wilkinson Original Paper Open access 17 January 2021 Pages: 753 - 764
Repeatability of lateralisation in mosquitofish Gambusia holbrooki despite evidence for turn alternation in detour tests Ivan M. VinogradovMichael D. JennionsRebecca J. Fox Original Paper 20 January 2021 Pages: 765 - 775
Rhesus monkeys (Macaca mulatta) monitor evolving decisions to control adaptive information seeking Ryan J. BradyRobert R. Hampton Original Paper 21 January 2021 Pages: 777 - 785
A songbird strategically modifies its blinking behavior when viewing human faces Jessica L. YorzinskiMary K. WalkerRebecca Cavalier Original Paper 27 January 2021 Pages: 787 - 801
Different effects of reward value and saliency during bumblebee visual search for multiple rewarding targets Vivek NityanandaLars Chittka Original Paper Open access 30 January 2021 Pages: 803 - 814
Dimensional bias and adaptive adjustments in inhibitory control of monkeys Sadegh GhasemianMarzieh M. VardanjaniFarshad A. Mansouri Original Paper 08 February 2021 Pages: 815 - 828
Social position indirectly influences the traits yellow-bellied marmots use to solve problems Dana M. WilliamsCatherine WuDaniel T. Blumstein Original Paper 08 February 2021 Pages: 829 - 842
A chimpanzee recognizes varied acoustical versions of sine-wave and noise-vocoded speech Lisa A. HeimbauerMichael J. BeranMichael J. Owren Original Paper 08 February 2021 Pages: 843 - 854
The effects of distance on pointing comprehension in shelter dogs Heidi LynMegan BroadwayBeatrice Chenkin Original Paper 10 February 2021 Pages: 855 - 865
Exclusion in the field: wild brown skuas find hidden food in the absence of visual information Samara DanelJules Chiffard-CarricaburuAnna P. Nesterova Original Paper 16 February 2021 Pages: 867 - 876
Macaque species with varying social tolerance show no differences in understanding what other agents perceive Alyssa M. ArreEllen StumphLaurie R. Santos Original Paper 16 February 2021 Pages: 877 - 888
Training with varying odor concentrations: implications for odor detection thresholds in canines Mallory T. DeChantNathaniel J. Hall Original Paper 01 March 2021 Pages: 889 - 896
Linguistic laws of brevity: conformity in Indri indri Daria ValenteChiara De GregorioMarco Gamba Original Paper 08 March 2021 Pages: 897 - 906
