Dominant males punish helpers for temporary defection in superb fairy-wrens

Article Abstract:

An experiment exploring the punishment behavior of dominant male superb fairy wrens, Malurus cyaneus, on helper superb fairy wrens who have temporarily defected or been lax in their duties was conducted. Results indicate that the helper is either passively accepted back into the group or is harassed by the dominant male leading to an eventual acceptance. Agression resulted only during feritlization and incubation periods of females and during the nestling phase of the year.

Behavior, Social hierarchy in animals, Dominance (Animal behavior), Social behavior in animals, Animal social behavior, Wrens

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Duet duels: sex differences in song matching in duetting eastern whipbirds

Article Abstract:

Bird songs of eastern whipbirds and impact of sex on their selection of songs are examined.

Songbirds, Bird songs

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Contributions to care vary with age, sex, breeding status and group size in the cooperatively breeding apostlebird

Article Abstract:

Care giving behavior of apostlebirds in a cooperative breeeding group is examined.

Birds, Bird breeding, Passeridae

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