What do we know about flamingo behaviors? A systematic review of the ethological research on the Phoenicopteridae (1978–2020) Henrique Cardoso DelfinoCaio J. Carlos Review 17 August 2021 Pages: 1 - 14
Lateralization at the individual and population levels of European green lizard in Slovak Karst Mário PikalíkNatália PipováIgor Majláth Original Paper 17 August 2021 Pages: 15 - 24
Primary nectar robbing by Apis mellifera (Apidae) on Pyrostegia venusta (Bignoniaceae): behavior, pillaging rate, and its consequences Leandro P. PolattoValter V. Alves-Junior Original Paper 24 August 2021 Pages: 25 - 32
Time-activity budget of urban-adapted free-ranging dogs Arunita BanerjeeAnindita Bhadra Original Paper 08 September 2021 Pages: 33 - 42
Invasive Italian wall lizards outcompete native congeneric species in finding food in a Y-maze Anastasios LimniosChloe AdamopoulouPanayiotis Pafilis Original Paper 06 October 2021 Pages: 43 - 55
Correction to: Invasive Italian wall lizards outcompete native congeneric species in finding food in a Y‑maze Anastasios LimniosChloe AdamopoulouPanayiotis Pafilis Correction 03 November 2021 Pages: 57 - 59
Interspecific nest destruction in the Tropical Kingbird Tyrannus melancholicus: kleptoparasitism or competition? Vagner Luis Camilotti Short Communication 06 September 2021 Pages: 61 - 64