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Cooperate or speciate: new theory for the distribution of passerine birds

Heinsohn, Robert; Double, Michael

Description

In cooperatively breeding birds, adults often forego reproduction and help care for the offspring of others. A universal explanation for this mode of breeding has eluded evolutionary biologists, who have considered it to be a rare, and largely Australian, phenomenon. In a recent paper, Andrew Cockburn reports that the number of known cooperative breeders among oscine passerine birds has more than doubled since the last substantial review, published 16 years ago. Cooperative breeding is often...[Show more]

dc.contributor.authorHeinsohn, Robert
dc.contributor.authorDouble, Michael
dc.date.accessioned2015-12-13T22:32:45Z
dc.identifier.issn0169-5347
dc.identifier.urihttp://hdl.handle.net/1885/75718
dc.description.abstractIn cooperatively breeding birds, adults often forego reproduction and help care for the offspring of others. A universal explanation for this mode of breeding has eluded evolutionary biologists, who have considered it to be a rare, and largely Australian, phenomenon. In a recent paper, Andrew Cockburn reports that the number of known cooperative breeders among oscine passerine birds has more than doubled since the last substantial review, published 16 years ago. Cooperative breeding is often the ancestral trait, and predominantly cooperative genera are species poor compared with their pair-breeding counterparts. Cockburn argues that speciation is less likely in cooperative clades, because the philopatric tendencies of individuals make them poor dispersers, colonizers and migrants. This new hypothesis helps explain the distribution and composition of migrant and island avifauna. However, a major challenge remains to reconcile the roles of phylogenetic history and current ecology in promoting cooperative behaviour.
dc.publisherElsevier
dc.sourceTrends in Ecology and Evolution
dc.subjectKeywords: cooperative breeding; geographical distribution; passerine; phylogeny; speciation (biology); Aves; Passeri; Passeriformes; Vertebrata
dc.titleCooperate or speciate: new theory for the distribution of passerine birds
dc.typeJournal article
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.citationvolume19
dc.date.issued2004
local.identifier.absfor060311 - Speciation and Extinction
local.identifier.ariespublicationMigratedxPub4761
local.type.statusPublished Version
local.contributor.affiliationHeinsohn, Robert, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationDouble, Michael, College of Medicine, Biology and Environment, ANU
local.description.embargo2037-12-31
local.bibliographicCitation.issue2
local.bibliographicCitation.startpage55
local.bibliographicCitation.lastpage57
local.identifier.doi10.1016/j.tree.2003.12.001
dc.date.updated2015-12-11T09:10:01Z
local.identifier.scopusID2-s2.0-1642569729
CollectionsANU Research Publications

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