A comparison of nest defence by Jackdaws, rooks, magpies and crows A. RöellI. Bossema OriginalPaper Pages: 1 - 6
Age specific maternal defense in Gargaphia solani (Hemiptera: Tingidae) Douglas W. Tallamy OriginalPaper Pages: 7 - 11
Aggression in female Red-Winged Blackbirds: A strategy to ensure male parental investment K. YasukawaW. A. Searcy OriginalPaper Pages: 13 - 17
The air speed of migrating birds and its relationship to the wind Raymond BlochBruno Bruderer OriginalPaper Pages: 19 - 24
Spacing and distribution of bowers in Macgregor's Bowerbird (Amblyornis macgregoriae) Melinda A. Pruett-JonesStephen G. Pruett-Jones OriginalPaper Pages: 25 - 32
Social dynamics of juvenile marmots: Role of kinship and individual variability Kenneth B. Armitage OriginalPaper Pages: 33 - 36
Pregnancy blockage following multiple-male copulation or exposure at the time of mating in deer mice, Peromyscus maniculatus Donald A. Dewsbury OriginalPaper Pages: 37 - 42
Kin preference behavior in Bufo boreas tadpoles Richard K. O'HaraAndrew R. Blaustein OriginalPaper Pages: 43 - 49
Nestmate discrimination in social wasps: The role of exposure to nest and nestmates (Polistes fuscatus, Hymenoptera: Vespidae) Janet S. ShellmanGeorge J. Gamboa OriginalPaper Pages: 51 - 53
Kinship, reproductive strategies and social dynamics of yellow-bellied marmots Kenneth B. ArmitageDennis W. Johns OriginalPaper Pages: 55 - 63
Sibling recognition in Richardson's ground squirrels (Spermophilus richardsonii) Lloyd S. Davis OriginalPaper Pages: 65 - 70