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Article
Matthew B. Dugas, Auteur ; Shana E. Border, AuteurTraits used by dependent young to obtain parental care are often interpreted in the context of offspring–parent communication, with offspring traits offering parents some information about the current condition and future prospects of their youn[...]
Article
Matthew B. Dugas, Auteur ; Kevin J. McGraw, Auteur ; Stephanie A. Strickler, AuteurThe mouth coloration of nestling birds is hypothesized to be uniquely adaptive during the nestling stage, perhaps signalling condition. To identify nestling-specific colours, we compared adult and nestling gapes in Cave Swallows (Petrochelidon f[...]
Article
Matthew B. Dugas, Auteur ; L. Tess Doumas, AuteurDependent offspring influence allocation of parental investment using specialized traits thought to contain information about offspring condition. To test this hypothesis, we examined the relationship between one component of avian begging, the [...]
Article
The offspring of caring parents may evolve specialized traits uniquely adaptive during their dependence on parental care. For example, the mouths of passerine nestlings are often bordered by enlarged and colorful rictal flanges expressed only du[...]
