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Article
Jing Sheng Hing, Auteur ; Gregory Schmaltz, Auteur ; James S. Quinn, AuteurSentinel behaviour has been widely described, but whether or not it is coordinated among group members requires careful examination. The Smooth-billed Ani, Crotophaga ani, a joint-nesting cooperatively breeding bird, appears to have a sentinel s[...]
Article
Joshua K. Robertson, Auteur ; John R. Caldwell, Auteur ; Leanne A. Grieves, Auteur ; Annika Samuelsen, Auteur ; Gregory S. Schmaltz, Auteur ; James S. Quinn, AuteurCo-operative breeders provide parental care to non-filial offspring—a behaviour known as ‘alloparental care’. While inclusive fitness benefits are a widely accepted driver of alloparental care in kin-based social groups, such indirect benefits a[...]
Article
Meghan R. Healey, Auteur ; Jing Sheng Hing, Auteur ; Cody J. Dey, Auteur ; James S. Quinn, AuteurDans Ibis (159(4) 2017)Intra-brood competition can influence a variety of fitness-related traits in birds. Previous research on the joint-nesting Pūkeko Porphyrio melanotus melanotus, a New Zealand subspecies of Australasian Swamphen, showed that chicks that hatched e[...]
Article
Cody J. Dey, Auteur ; Constance M. O'Connor, Auteur ; Sigal Balshine, Auteur ; James S. Quinn, AuteurSocial groups of the joint-laying Pukeko Porphyrio porphyrio melanotus typically contain one or two breeding females. Male Pukeko mated to two females father more offspring and therefore benefit from this mating arrangement; however, primary fem[...]
Article
Cody J. Dey, Auteur ; Constance O'connor, Auteur ; James S. Quinn, AuteurIn birds with asynchronous hatching, hatching order is an important factor in determining offspring phenotype. Many previous studies have demonstrated that later-hatched offspring show reduced growth and survival during development. However, few[...]
Article
Cody J. Dey, Auteur ; Ian G. Jamieson, Auteur ; James S. Quinn, AuteurIntrasexual competition for reproduction is thought to be an important factor in the evolution of ornaments and weapons in males. However, the evolution of morphologically similar traits in females is often explained through other mechanisms, an[...]
Article
Leanne A. Grieves, Auteur ; David M. Logue, Auteur ; James S. Quinn, AuteurCalls are functionally diverse signals that mediate behavior in a wide variety of contexts in both passerines and non-passerines. However, the call-based acoustic communication systems of non-passerines have received less attention from investig[...]
