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Article

Absence of haematozoa in passerines from a Norwegian archipelago

I. R. K. Stewart, Auteur ; T. H. Ringsby, Auteur ; E. J. Solberg, Auteur

Dans Ornis Fennica (74(4) 1997)

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Article

Factors affecting juvenile survival in House Sparrow Passer domesticus

T. H. Ringsby, Auteur ; B. E. Saether, Auteur ; E. J. Solberg, Auteur

Dans Journal of Avian Biology (29(3) SEP 1998)

We studied how variation in different reproductive traits (hatching date, clutch number and clutch size) in addition to mass, size and condition of the fledgling influenced its probability of survival until recruitment in a House Sparrow populat[...]

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Article

Fertile House Sparrow x Tree Sparrow (Passer domesticus x Passer montanus) hybrids?

E. J. Solberg, Auteur ; T. H. Ringsby, Auteur ; A. Altwegg, Auteur ; B. E. Saether, Auteur

Dans Journal of Ornithology (141(1) JAN 2000)

Viability and a seemingly successful breeding of a Fl House Sparrow x Tree Sparrow hybrid are reported from islands off the coast of northern Norway. From two consecutive clutches of House Sparrow x Tree Sparrow hybrids recorded in 1995, only on[...]

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