The hearing of an avian predator and its avian prey G. M. KlumpE. KretzschmarE. Curio OriginalPaper 01 April 1986 Pages: 317 - 323
Different ejaculate delivery strategies in first versus subsequent matings in the swallowtail butterfly Papilio machaon L. Lena SvärdChrister Wiklund OriginalPaper 01 April 1986 Pages: 325 - 330
Prolonged mating in the milkweed leaf beetle Labidomera clivicollis clivicollis (Coleoptera: Chrysomelidae): a test of the “sperm-loading” hypothesis Janis L. Dickinson OriginalPaper 01 April 1986 Pages: 331 - 338
Helping at the nest, allofeeding and social status in immature arabian babblers Tamsie R. CarlisleAmotz Zahavi OriginalPaper 01 April 1986 Pages: 339 - 351
Early maternal investment in male and female African elephant calves Phyllis C. LeeCynthia J. Moss OriginalPaper 01 April 1986 Pages: 353 - 361
The biology of a subtropical population of Halictus ligatus Say (Hymenoptera: Halictidae) Laurence PackerGerd Knerer OriginalPaper 01 April 1986 Pages: 363 - 375
Biparental defence in a spider mite (Acari: Tetranychidae) infesting Sasa bamboo Yutaka Saitō OriginalPaper 01 April 1986 Pages: 377 - 386
Aposematism in a soft-bodied insect: a case for kin selection Stephen B. Malcolm OriginalPaper 01 April 1986 Pages: 387 - 393