Bumblebees as model organisms to study male sexual selection in social insects Boris Baer Review Article 16 August 2003 Pages: 521 - 533
What limits predator detection in blue tits (Parus caeruleus): posture, task or orientation? Ulrika KabyJohan Lind Original Article 12 August 2003 Pages: 534 - 538
Effects of colony size and stage of development on defense response by the swarm-founding wasp Polybia occidentalis Karen B. LondonRobert L. Jeanne Original Article 09 August 2003 Pages: 539 - 546
Is obligate siblicidal aggression food sensitive? José Luis OsornoHugh Drummond Original Article 16 August 2003 Pages: 547 - 554
Differential feeding of worker larvae affects caste characters in the Cape honeybee, Apis mellifera capensis Mike H. AllsoppJohan N. M. CalisWillem J. Boot Original Article 29 July 2003 Pages: 555 - 561
Orientation behavior of homing pigeons at the Gernsheim anomaly Roswitha WiltschkoWolfgang Wiltschko Original Article 16 July 2003 Pages: 562 - 572
Does begging affect growth in nestling tree swallows, Tachycineta bicolor? Marty L. LeonardAndrew G. HornJackie Porter Original Article 16 August 2003 Pages: 573 - 577
Multi-source odor-marking of food by a stingless bee, Melipona mandacaia James C. NiehSantiago RamírezPaulo Nogueira-Neto Original Article 11 July 2003 Pages: 578 - 586
Rank-dependent hoarding effort in willow tits (Parus montanus): a test of theoretical predictions Anders BrodinKen Lundborg Original Article 09 August 2003 Pages: 587 - 592
The role of the vibration signal in the house-hunting process of honey bee (Apis mellifera) swarms K. DonahoeL. A. LewisS. S. Schneider Original Article 03 July 2003 Pages: 593 - 600
A test of the "dear enemy effect" in the strawberry dart-poison frog (Dendrobates pumilio) Mark A. Bee Original Article 04 July 2003 Pages: 601 - 610