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Unbidden guest at bird feeders

06.01.2012 - 00:15 |  Looduskalender
Photo: Arne Ader
Translation: Liis
Sparrowhawk
 
Sparrowhawk
Raudkull      Accipiter nisus
 
Sparrowhawks are more visible in autumn and winter; passerines as well as pigeons gather at human dwellings.
A part of the sparrowhawks breeding in Estonia have migrated to Central and South Europe. Until spring they are replaced instead by visitors from the north. The number is around a couple of thousand birds.
 
Sparrowhawks are small raptors – comparable in size to pigeons. Back is greyish, the females clearly larger than their opposite sex; their underparts are pale grey with bands; the underparts of the male is rustcoloured and banded.
 

When all is silent at the bird feeder in the morning then someone disturbing must be lurking in the surroundings. The sparrowhawk patiently observes the happenings from its higher vantage point until the excitement and prudence of the passerines dissipates – the served food needs eating, daylight time to see by is short. A lightning quick attack in such places is a chance for the raptor – the flight image and the dashes through tree crowns are impressive. The larger females can even manage domestic pigeons.


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