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A relationship between prey density and territory size in non‐breeding Eastern Curlews Numenius madagascariensis
Author(s) -
Zharikov Yuri,
Skilleter Gregory A.
Publication year - 2004
Publication title -
ibis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.933
H-Index - 80
eISSN - 1474-919X
pISSN - 0019-1019
DOI - 10.1046/j1474-919x.2004.00258.x
Subject(s) - ecology , geography , entomology , library science , biology , computer science
Two hypotheses have been proposed to explain the varia-tion in territory size observed within populations. Hypoth-esis I assumes that individuals can assess the local fooddensity; territory size is then determined by the amountof food contained within the territory (Norman & Jones1984, McFarland 1986). Under Hypothesis II, an animaldefends as large an area as possible and the size of theterritory is regulated by intruder pressure from the otheranimals in the population (Myers