Ethology

Soon after copulation has been completed, a pair of the damselfly Ischnura denticollis (male above, female below) remains in tandem. During copulation, the male removes the sperm the female received from previous copulations, and then transfers his own. Reproduced by permission of Dustin Huntington.
pp. i-i(1)

The Evolution of Large Testes: Sperm Competition or Male Mating Rate?
pp. 107-117(11)
Authors: Vahed, Karim; Parker, Darren J.

Shelter Availability, Occupancy, and Residency in Size-Asymmetric Contests Between Rusty Crayfish, <i>Orconectes rusticus</i>
pp. 118-126(9)
Authors: Klar, Nathan M.; Crowley, Philip H.

Movements and Conflicts in a Flock of Foraging Black-Tailed Godwits (<i>Limosa limosa</i>): The Influence of Feeding Rates on Behavioural Decisions
pp. 127-134(8)
Authors: Sirot, Etienne; Maes, Philippe; Gélinaud, Guillaume

The Relationship Between Foraging, Learning Abilities and Neophobia in Two Species of Darwin's Finches
pp. 135-146(12)
Authors: Tebbich, Sabine; Stankewitz, Sophia; Teschke, Irmgard

African Wild Dogs as a Fugitive Species: Playback Experiments Investigate How Wild Dogs Respond to their Major Competitors
pp. 147-156(10)
Authors: Webster, Hugh; McNutt, John W.; McComb, Karen

Aggressive Signal Design in the Jacky Dragon (<i>Amphibolurus muricatus</i>): Display Duration Affects Efficiency
pp. 157-168(12)
Authors: Woo, Kevin L.; Rieucau, Guillaume

Mallards Feed Longer to Maintain Intake Rate under Competition on a Natural Food Distribution
pp. 169-177(9)
Authors: van Dijk, Jacintha G. B.; Duijns, Sjoerd; Gyimesi, Abel; de Boer, Willem F.; Nolet, Bart A.

Infanticide and Population Growth in the Bank Vole (<i>Myodes glareolus</i>): The Effect of Male Turnover and Density
pp. 178-186(9)
Authors: Opperbeck, Annika; Ylönen, Hannu; Klemme, Ines

Does Weather or Site Characteristics Influence the Ability of Scavengers to Locate Food?
pp. 187-196(10)
Authors: Ruzicka, Rebekah E.; Conover, Michael R.

Song Amplitude of Rival Males Modulates the Territorial Behaviour of Great Tits During the Fertile Period of Their Mates
pp. 197-202(6)
Authors: Ritschard, Mathias; van Oers, Kees; Naguib, Marc; Brumm, Henrik

A Test of Genital Allometry Using Two Damselfly Species does not Produce Hypoallometric Patterns
pp. 203-213(11)
Authors: Nava-Bolaños, Angela; Córdoba-Aguilar, Alex; Munguía-Steyer, Roberto