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Natal Dispersal in the Nuthatch
Erik Matthysen and Karl-Heinz Schmidt
Ornis Scandinavica (Scandinavian Journal of Ornithology)
Vol. 18, No. 4 (Nov., 1987), pp. 313-316
Stable URL: http://www.jstor.org/stable/3676901
Page Count: 4
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Between 1970 and 1983, more than 1500 Nuthatch nestlings were banded in an area of about 400 km2. By regular trapping sessions at feeding sites and checking of roosting and breeding birds, 55 of them were recaptured within the study area (3.6%). Dispersal distances varied between 36 m and 11 km, with a median around 1 km. We found no difference in dispersal distance between males and females, nor between young from early and late broods. The absence of a sexual bias in dispersal is explained by the symmetry in territorial behaviour of the sexes. An analysis of movements after the first recapture showed no evidence for dispersal after the birds' first summer.
Ornis Scandinavica (Scandinavian Journal of Ornithology) © 1987 Nordic Society Oikos