Interference by wood ant influences size selection and retrieval rate of prey by Formica fusca Riitta Savolainen OriginalPaper Pages: 1 - 7
Inheritance of migratory direction in a bird species: a cross-breeding experiment with SE- and SW-migrating blackcaps (Sylvia atricapilla) Andreas J. Helbig OriginalPaper Pages: 9 - 12
Do common ravens yell because they want to attract others? B. HeinrichJ. M. Marzluff OriginalPaper Pages: 13 - 21
Color bands function as secondary sexual traits in male red-winged blackbirds Karen J. MetzPatrick J. Weatherhead OriginalPaper Pages: 23 - 27
The effect of conspecifics on habitat selection in territorial species J. A. Stamps OriginalPaper Pages: 29 - 36
The evolution of eusociality in molerats (Bathyergidae): a question of risks, numbers, and costs B. G. Lovegrove OriginalPaper Pages: 37 - 45
Thermal behaviour of a small spider (Araneae : Araneidae : Araneinae) on horizontal webs in semi-arid Western Australia W. F. Humphreys OriginalPaper Pages: 47 - 54
Competitive regimes and female bonding in two species of squirrel monkeys (Saimiri oerstedi and S. sciureus) Carol L. MitchellSue BoinskiCarel P. van Schaik OriginalPaper Pages: 55 - 60
Self-organizing pattern formation on the combs of honey bee colonies Scott Camazine OriginalPaper Pages: 61 - 76