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Behavioural Responses of Potential Hosts Towards Artificial Cuckoo Eggs and Dummies

Behavioural Responses of Potential Hosts Towards Artificial Cuckoo Eggs and Dummies BEHAVIOURAL RESPONSES OF POTENTIAL HOSTS TOWARDS ARTIFICIAL CUCKOO EGGS AND DUMMIES by ARNE MOKSNES1), EIVIN R ∅ SKAFT1), ANDERS T. BRAA'), LARS KORSNES'), HELENE M. LAMPE1) and HANS CHR. PEDERSEN2) 3) (Department of Zoology, University of Trondheim, N-7055 Dragvoll', and Norwegian Institute of Nature Research, Tungasletta 2, N-7004 Trondheim2, Norway) (With 1 Figure) (Acc. 10-VII-1990) Introduction About one percent of all bird species are brood parasites, i. e. they lay their eggs in the nest of another species, which then incubates the eggs and broods the young of the parasite (LACK, 1968). The cuckoo Cuculus canorus, is probably the most famous among the 80 or so known interspecific brood parasites. In Europe, only a few species are frequently-used cuckoo hosts. According to WYLLIE (1981), 11 host species are parasitized frequently, and about the same number occa- sionally. In spite of this, cuckoo eggs have been found in the nests of more than 100 different host species, (WYLLIE, 1981). In the present study these are the species that are defined as "potential hosts" for the cuckoo. In Fennoscandia, the cuckoos normally start laying in late May-early June. They lay their eggs at two day intervals, eventually laying a distributed http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Behavioural Responses of Potential Hosts Towards Artificial Cuckoo Eggs and Dummies

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Publisher
Brill
Copyright
© 1991 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
DOI
10.1163/156853990X00365
Publisher site
See Article on Publisher Site

Abstract

BEHAVIOURAL RESPONSES OF POTENTIAL HOSTS TOWARDS ARTIFICIAL CUCKOO EGGS AND DUMMIES by ARNE MOKSNES1), EIVIN R ∅ SKAFT1), ANDERS T. BRAA'), LARS KORSNES'), HELENE M. LAMPE1) and HANS CHR. PEDERSEN2) 3) (Department of Zoology, University of Trondheim, N-7055 Dragvoll', and Norwegian Institute of Nature Research, Tungasletta 2, N-7004 Trondheim2, Norway) (With 1 Figure) (Acc. 10-VII-1990) Introduction About one percent of all bird species are brood parasites, i. e. they lay their eggs in the nest of another species, which then incubates the eggs and broods the young of the parasite (LACK, 1968). The cuckoo Cuculus canorus, is probably the most famous among the 80 or so known interspecific brood parasites. In Europe, only a few species are frequently-used cuckoo hosts. According to WYLLIE (1981), 11 host species are parasitized frequently, and about the same number occa- sionally. In spite of this, cuckoo eggs have been found in the nests of more than 100 different host species, (WYLLIE, 1981). In the present study these are the species that are defined as "potential hosts" for the cuckoo. In Fennoscandia, the cuckoos normally start laying in late May-early June. They lay their eggs at two day intervals, eventually laying a distributed

Journal

BehaviourBrill

Published: Jan 1, 1991

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