Begging at high level simultaneously impairs growth and immune response in southern shrike (Lanius meridionalis) nestlings
نویسندگان
چکیده
منابع مشابه
Begging at high level simultaneously impairs growth and immune response in southern shrike (Lanius meridionalis) nestlings.
Theoretical models suggest that begging should be costly in order to be evolutionarily stable. However, evidence for such a cost is contradictory (e.g. for growth costs) or scant (e.g. for immunological costs). Here, we experimentally test the existence of both costs in southern shrike (Lanius meridionalis) nestlings. Nestlings were paired by nest of origin and similar body mass. In each pair, ...
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ژورنال
عنوان ژورنال: Journal of Evolutionary Biology
سال: 2011
ISSN: 1010-061X
DOI: 10.1111/j.1420-9101.2011.02242.x