The magnetic compass mechanism of birds and its possible association with the shifting course directions of migrants Jacob Kiepenheuer OriginalPaper Pages: 81 - 99
Age, experience, and enemy recognition by wild song sparrows James N. M. SmithPeter ArceseIan G. McLean OriginalPaper Pages: 101 - 106
Dominions and site-fixed aggressive behavior in breeding male Leucorrhinia intacta (Odonata: Libellulidae) Larry L. WolfEdward C. Waltz OriginalPaper Pages: 107 - 115
Polygyny in the Neotropical termite Nasutitermes corniger: life history consequences of queen mutualism Barbara L. Thorne OriginalPaper Pages: 117 - 136
Co-operative breeding by the Australian Bell Miner Manorina melanophrys Latham: A test of kin selection theory Micheal F. Clarke OriginalPaper Pages: 137 - 146
The pit-trapping foraging strategy of the ant lion, Myrmeleon immaculatus DeGeer (Neuroptera: Myrmeleontidae) Bernd HeinrichMargaret J. E. Heinrich OriginalPaper Pages: 151 - 160