Navigation and orientation in Coleoptera: a review of strategies and mechanisms Elizabeth de Jongh Review 12 April 2021 Pages: 1153 - 1164
Long-term stability of vocal individuality cues in a territorial and monogamous seabird Chiara CalcariCristina PilengaLivio Favaro Short Communication 10 May 2021 Pages: 1165 - 1169
Cryptic eggs are rejected less frequently by a cuckoo host Longwu WangGangbin HeWei Liang Original Paper 24 March 2021 Pages: 1171 - 1177
Face-to-face configuration in Japanese macaques functions as a platform to establish mutual engagement in social play Sakumi IkiToshikazu Hasegawa Original Paper 29 March 2021 Pages: 1179 - 1189
Effects of oxytocin administration and the dog–owner bond on dogs’ rescue behavior Marina Victoria DzikFabricio CarballoMariana Bentosela Original Paper 08 April 2021 Pages: 1191 - 1204
Male mice and cows perceive human emotional chemosignals: a preliminary study Alexandra DestrezMorgane Costes-ThiréBenoist Schaal Original Paper 11 April 2021 Pages: 1205 - 1214
Cognitive enrichment device provides evidence for intersexual differences in collaborative actions in Indo-Pacific bottlenose dolphins (Tursiops aduncus) Eszter MatraiShaw Ting KwokÁkos Pogány Original Paper 12 April 2021 Pages: 1215 - 1225
Nesting ecology does not explain slow–fast cognitive differences among honeybee species Catherine TaitAxel BrockmannDhruba Naug Original Paper 27 April 2021 Pages: 1227 - 1235
Irrational risk aversion in an ant Massimo De AgròDaniel GrimwadeTomer J. Czaczkes Original Paper Open access 03 May 2021 Pages: 1237 - 1245
Increased speed of movement reduced identification of Batesian ant-mimicking spiders by surrogate predators Stano Pekár Original Paper 03 May 2021 Pages: 1247 - 1257
Dissociating the effects of delay and interference on dog (Canis familiaris) working memory Sarah KrichbaumLucia LazarowskiJeffrey S. Katz Original Paper 05 May 2021 Pages: 1259 - 1265
Learning about construction behaviour from observing an artefact: can experience with conspecifics aid in artefact recognition? Andrés Camacho-AlpízarTristan EckersleyLauren M. Guillette Original Paper 06 May 2021 Pages: 1267 - 1277
Emergence of complex dynamics of choice due to repeated exposures to extinction learning José R. DonosoJulian PackheiserSen Cheng Original Paper Open access 12 May 2021 Pages: 1279 - 1297
Trace conditioning as a test for animal consciousness: a new approach Paula DroegeDaniel J. WeissVictoria Braithwaite Original Paper 13 May 2021 Pages: 1299 - 1304
The effects of food limitation on behavior, corticosterone, and the use of social information in the red crossbill (Loxia curvirostra) Megan C. WurtzVictoria CussenJamie M. Cornelius Original Article 28 May 2021 Pages: 1305 - 1317
An initial exploration of mirror behaviour in the ferret, Mustela putorius furo Vinyza DhanbhooraRichard CorriganV. Tamara Montrose Original Paper 04 June 2021 Pages: 1319 - 1327
The effect of dimensional reinforcement prediction on discrimination of compound visual stimuli by pigeons O. V. Vyazovska Original Paper 05 June 2021 Pages: 1329 - 1338
Kea (Nestor notabilis) show flexibility and individuality in within-session reversal learning tasks Monika LaschoberRoger MundryRaoul Schwing Original Paper Open access 10 June 2021 Pages: 1339 - 1351