The importance of nest cleaning in egg rejection behaviour of great reed warblers Acrocephalus arundinaceus

C. Moskát, Tamás Székely, T. Kisbenedek, Zsolt Karcza, István Bártol

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

We tested the importance of nest cleaning in egg rejection behaviour of the great reed warbler Acrocephalus arundinaceus in a highly parasitised population in which about 64% of nests are parasitised by the common cuckoo Cuculus canorus. Three types of objects of the same weight, texture and colour but with different shapes (dummy cuckoo eggs, sticks and disks) were placed into great reed warbler nests. We investigated the response of hosts in two stages of breeding: pre-incubation when the risk of brood parasitism is high, and during incubation when the risk of parasitism is low. The dummy cuckoo eggs were rejected less often than the other objects in both breeding stages, although we did not find any difference in the frequency of rejection between pre-incubation and incubation. We integrate these results into current views on the evolution of host-parasite interactions, and propose a hierarchical concept to understand egg rejection behaviour: (1) hosts reject all non-egg shaped objects as a general cleaning mechanism; (2) adaptations for the hosts' ability to recognise their own eggs allows them to distinguish these eggs from similar objects and parasitic eggs.

Original languageEnglish
Pages (from-to)16-19
Number of pages4
JournalJournal of Avian Biology
Volume34
Issue number1
DOIs
Publication statusPublished - Mar 2003

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egg rejection
cleaning
Cuculus canorus
nest
nests
egg
incubation
host-parasite relationships
breeding
parasitism
host-parasite interaction
brood parasitism
texture
color
reed
Acrocephalus arundinaceus

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

The importance of nest cleaning in egg rejection behaviour of great reed warblers Acrocephalus arundinaceus. / Moskát, C.; Székely, Tamás; Kisbenedek, T.; Karcza, Zsolt; Bártol, István.

In: Journal of Avian Biology, Vol. 34, No. 1, 03.2003, p. 16-19.

Research output: Contribution to journalArticle

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