Behaviour

Handedness for tool use in captive chimpanzees (Pan troglodytes): sex differences, performance, heritability and comparison to the wild
pp. 1463-1483(21)
Authors: Hopkins, W.D.; Russell, J.L.; Schaeffer, J.A.; Gardner, M.; Schapiro, S.J.

Male salamanders remember individuals based on chemical or visual cues
pp. 1485-1498(14)
Authors: Kohn, Nancy R.; Jaeger, Robert G.

The reproductive status of both sexes affects the frequency of mating and the reproductive success of males in the ball roller beetle Canthon cyanellus cyanellus (Coleoptera: Scarabaeidae)
pp. 1499-1512(14)
Authors: Chamorro-Florescano, Ivette A.; Favila, Mario E.

An unstable social environment affects sex ratio in guinea pigs: an adaptive maternal effect?
pp. 1513-1529(17)
Authors: Kemme, Kristina; Kaiser, Sylvia; Von Engelhardt, Nikolaus; Wewers, Dirk; Groothuis, Ton; Sachser, Norbert

Using a behaviour discovery curve to predict optimal observation time
pp. 1531-1542(12)
Authors: Jule, Kristen R.; Lea, Stephen E.G.; Leaver, Lisa A.

Innovation in groups: does the proximity of others facilitate or inhibit performance?
pp. 1543-1564(22)
Authors: Overington, Sarah E.; Cauchard, Laure; Morand-Ferron, Julie; Lefebvre, Louis

Behavioural responses to alarm cues by free-ranging rainbow darters (Etheostoma caeruleum)
pp. 1565-1572(8)
Authors: Crane, A.L.; Woods, D.; Mathis, A.

Associations with multiple male groups increase the energy expenditure of humpback whale (Megaptera novaeangliae) female and calf pairs on the breeding grounds
pp. 1573-1600(28)
Authors: Cartwright, Rachel; Sullivan, Matthew