Catalogue of the past issues of scientific publications, now discontinued, published by the Museum.

Jóvenes de Gorrión molinero (Passer montanus) parasitando nidos de su propia especie

Cordero, P. J., Sánchez-Aguado, F. J.

Resum

Juvenile Tree Sparrow (Passer montanus) parasiting nestlings of their own species
Fledging Tree Sparrows have been obseved entering Tree Sparrow nests still occupied by nestlings. These birds seem to be fed by adults, and to remain in the nests for some time. They are so considered as intraespecific parasites.

Key words

Intraspecific parasitism, Fledgings, Nests, Passer montanus, Tree Sparrow

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MZ volume 12 (1988) mz

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