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Table IV.

Parasitological parameters of chewing lice collected from resident and migrating birds during pre-breeding period in 2007. Birds with extreme high number of chewing lice (one Turdus merula parasitized with 444 specimens of Brueelia merulensis) or with extreme high number of examined birds (Erithacus rubecula, n = 281 and Sylvia atricapilla, n = 114) are not included.

Chewing lice
Migrant (n = 114)1 Resident (n = 94)2
Prevalence (%) 18.4 50.0
Mean intensity (range) 19.9 (1–93) 12.3 (1–88)
Mean abundance 3.7 6.2
Richness (range) 1.6 (0–2)1 2.2 (0–5)2
Percentage males 37.8 (98)3 31.2 (298)3
Percentage adults 23.5 (417)4 51.4 (580)4

five species: Turdus philomelos, Fringilla coelebs, Phylloscopus collybita, Prunella modularis, Ficedula hypoleuca;


six species: Turdus merula, Emberiza citrinella, Parus major, Cyanistes caeruleus, Periparus ater, Coccothraustes coccothraustes;


number of adults;


number of lice for which age was assessed.

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