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1 December 2007 Does Habitat Structure Affect Body Condition of Nestlings? A Case Study with Woodland Great Tits Parus major
Sara Sánchez, José Javier Cuervo, Eulalia Moreno
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A large number of studies have demonstrated that habitat characteristics have a huge impact on all aspects of animal life history. This hypothesis predicts a relationship between habitat structure and the main components of fitness and, consequently, also predicts a relationship between habitat structure and other traits indirectly related to fitness, such as condition or health. We tested whether there was any relationship between the characteristics of a pine forest in the Iberian Peninsula and the condition of Great Tit nestlings reared in that forest. The parameters used to estimate nestling condition were weight, haematocrit and the presence of haemoparasites. The results suggest that mature forests produced nestlings in better condition but with a higher prevalence of haemoparasites than young forest, possibly because mature forests are a good habitat for both the bird and the parasite vector.



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Sara Sánchez, José Javier Cuervo, and Eulalia Moreno "Does Habitat Structure Affect Body Condition of Nestlings? A Case Study with Woodland Great Tits Parus major," Acta Ornithologica 42(2), 200-204, (1 December 2007).
Received: 1 April 2007; Accepted: 1 October 2007; Published: 1 December 2007
forest structure
Great Tit
mature forest
nestling condition
Parus major
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