January in the world of shrikes

Text: Tarvo Valker, EOÜ
Photo: Arne Ader
Translation: Liis
 
Great grey shrike.
 
The first month of the shrike year is at an end. Although it is very likely that some more shrike observations for January arrive, we can look at some statistics from the first observation month. As many bird friends know, clearly fewer grey shrikes than usual are to be seen this year. Despite this, 85 observations have been entered, and 76 of those are with a high probability different individuals. More than 60 bird friends have met grey shrikes and sent their observation to us. Observations have arrived from all of Estonia’s counties, but grey shrikes have still been seen most frequently in the western areas: Läänemaa (14 individuals), Saaremaa (13) and Pärnumaa (10).

It isn’t very easy to hit mice in the thick snow, and the grey shrikes now clearly aim at catching passerines. There are 40 observations of the “tit hawks” prowling around or attacking the small birds who visit bird feeders: 46,5% of all reports.
In addition there are some observations of grey shrikes attacking passerines in reed banks. Observers have seen six cases where the grey shrike has hit its prey successfully – in five of those the prey has been a passerine (for instance great tit and willow tit; unspecified sparrow), and only once the shrike caught a mouse.
We look forward to your continued reports from grey shrike encounters. The best way to send them is to use the simple observation form that can be completed on the www.eoy.ee/ogijad web page. And those who can find some spare time should certainly join the winter mapping of grey shrikes. Active participation would provide us with important data about the winter population density of grey shrikes (some daytime birds of prey as well).
Mapping the grey shrikes will be a pleasant way to add extra interest  to a wintertime bird observation expedition
!



 

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