Eastern gray squirrel (Sciurus carolinensis) color morphs do not differ in aggressiveness Lee CronkRyne Palombit Short Communication 11 June 2021 Pages: 143 - 147
Conspecific agonistic behaviour in the Mediterranean parrotfish David AbecasisPedro Afonso Short Communication 15 June 2021 Pages: 149 - 152
Increase in social interactions of wild Northern Gray gibbons (Hylobates funereus) during the mast fruiting period in the Danum Valley Conservation Area, Sabah, Malaysia Yoichi InoueWaidi SinunKazuo Okanoya Original Paper 04 May 2021 Pages: 153 - 163
Social and environmental cues drive the intra-population variation in courtship behavior of a neotropical lekking bird Filipe AramuniMariane BosholnMarina Anciães Original Paper 12 May 2021 Pages: 165 - 176
Fear of the dark: substrate preference in Amazonian tadpoles Izabela Sabrina Campos GuimarãesMahima HemnaniTiago Henrique da Silva Pires Original Paper 19 June 2021 Pages: 177 - 183
Differences in social-space–time behaviour of two red deer herds (Cervus elaphus) Benjamin GillichFrank-Uwe MichlerSiegfried Rieger Original Paper Open access 03 July 2021 Pages: 185 - 195
European breeding phenology of the invasive common waxbill, a sub-Saharan opportunistic breeder Patrícia BeltrãoAna Cristina R. GomesGonçalo C. Cardoso Original Paper 06 July 2021 Pages: 197 - 203
Using predator feces as a repellent for free-ranging urban capybaras (Hydrochoerus hydrochaeris) Natalia Méndez Ruiz-TagleSérgio Luiz Gama Nogueira-FilhoSelene Siqueira da Cunha Nogueira Original Paper 28 July 2021 Pages: 205 - 216
Limited effects of traffic noise on behavioural responses to conspecific mating calls in the eastern sedge frog Litoria fallax Charmaine P. E. SchouAlexis L. LevengoodDominique A. Potvin Original Paper 04 August 2021 Pages: 217 - 226
