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  4. From Parasitism to Mutualism: Unexpected Interactions Between a Cuckoo and Its Host
 
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From Parasitism to Mutualism: Unexpected Interactions Between a Cuckoo and Its Host

Auteur(s)
Canestrari, Daniela
Bolopo, Diana
Turlings, Ted 
Institut de biologie 
Röder, Gregory 
Cours de médecine 
Marcos, José M.
Baglione, Vittorio
Date de parution
2014-3
In
Science
Vol.
6177
No
343
De la page
1350
A la page
1352
Mots-clés
  • great-spotted-cuckoos brood parasitism carrion crows outcomes agents birds
  • great-spotted-cuckoos...

Résumé
Avian brood parasites lay eggs in the nests of other birds, which raise the unrelated chicks and typically suffer partial or complete loss of their own brood. However, carrion crows Corvus corone corone can benefit from parasitism by the great spotted cuckoo Clamator glandarius. Parasitized nests have lower rates of predation-induced failure due to production of a repellent secretion by cuckoo chicks, but among nests that are successful, those with cuckoo chicks fledge fewer crows. The outcome of these counterbalancing effects fluctuates between parasitism and mutualism each season, depending on the intensity of predation pressure.
Identifiants
https://libra.unine.ch/handle/123456789/22702
_
10.1126/science.1249008
Type de publication
journal article
Dossier(s) à télécharger
 main article: science.1249008.pdf (330.5 KB)
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