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Intraspecific nest parasitism in the starling (Sturnus vulgaris) in northwestern Croatia

Z. Dolenec


Puni tekst: engleski pdf 160 Kb

str. 315-320

preuzimanja: 498

citiraj


Sažetak

This study reports intraspecific nest parasitism in starlings (Sturnus vulgaris) in the village of Mokrice, northwestern Croatia, in 1999 and 2000. Twenty one (30.5%) out of 70 observed nests during the two years contained one or two parasitic eggs. One parasitic egg was laid in 17 (24.8%) nests and two in 4 (5.7%) nests. No statistically significant differences were found between egg dimensions (length, breadth, volume, egg shape index) of parasitic females and hosts. Also, there was no statistically significant correlation between egg volume of parasitic and host eggs. There is thus no evidence that parasitic females select host nests on the basis of egg dimensions of the host. Parasitic females laid their eggs mostly in host nests that already had two or three eggs (in 72.8% cases).

Ključne riječi

starling, Sturnus vulgaris, intraspecific nest parasitism, NW Croatia

Hrčak ID:

13902

URI

https://hrcak.srce.hr/13902

Podaci na drugim jezicima: hrvatski

Posjeta: 922 *