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PROVEN SIBERIAN CHIFFCHAFFS (2017, 2019 & 2021)

- Pictures of tristis proven by mtDNA (De Knijff et al. 2012)
- Additional birds added proven by mtDNA (van der Spek & de Knijff 2021)

- Birds sampled for our DNA-project in Meijendel, Wassenaar, the Netherlands  

- We can tell you what they look like in an article, but this way you can make up your own mind!

My ringing site in Meijendel, Wassenaar was the first to co-operate with "DNA professor" Peter de Knijff (Leiden University). Soon other sites joined the spectacular ride. Siberian and Scandinavian Chiffchaffs was what we were after. So far we have published two papers.

Photographs of Siberian Chiffchaffs and a single Scandinavian can be found below.

Arnhem Y87188

31 October 2009, Meijendel, Wassenaar, the Netherlands

Notes: First bird (nation wide) of the entire project. 1st and 3rd photograph used in De Knijff et al (2012)

Arnhem Y87756

7 November 2010, Meijendel, Wassenaar, the Netherlands

Notes: very interesting bird, with some yellow in the supercilium especially on the right); this bird certainly caused some debate! 1st photograph used in De Knijff et al (2012). High ISO values probably extracted some colour.   

Arnhem Y87787

9 November 2010, Meijendel, Wassenaar, the Netherlands

Notes: high ISO values probably extracted some colour  

Arnhem Y88993

28 October 2012, Meijendel, Wassenaar, the Netherlands

tristis VvdS 28102012 bird 1 nr 1.jpg
tristis VvdS 28102012 bird 1 nr 3.jpg
tristis VvdS 28102012 bird 1 nr 4.jpg

Arnhem Y88994

28 October 2012, Meijendel, Wassenaar, the Netherlands

tristis VvdS 28102012 bird 2 nr 1.jpg
tristis VvdS 28102012 bird 2 nr 2.jpg
tristis VvdS 28102012 bird 2 nr 3.jpg

Arnhem AEB413

19 October 2014, Meijendel, Wassenaar, the Netherlands

Siberische Tjif 19102014 ex 1 nr2.jpg
Siberische Tjif 19102014 ex 1 nr1.jpg
DSC_6765 bewerkt.jpg
DSC_6770 bewerkt.jpg

Arnhem AEB425

19 October 2014, Meijendel, Wassenaar, the Netherlands

Siberische Tjif 19102014 ex 2 nr1.jpg
DSC_6824 bewerkt.jpg
DSC_6827 bewerkt.jpg

Arnhem AEB495

19 October 2014, Meijendel, Wassenaar, the Netherlands

DSC_6893 bewerkt.jpg
DSC_6894 bewerkt.jpg

Arnhem AJP609

17 November 2017, Meijendel, Wassenaar, the Netherlands

20171117_092928 bewerkt.jpg
20171117_092938 bewerkt.jpg
AJP609 SIb Tjif 17112017 Gijsbert.jpg

Spectogram of the recorded, diagnostic call in the hand (Gijsbert Twigt) 

Arnhem AJP611

17 November 2017, Meijendel, Wassenaar, the Netherlands

siberische tjif nr 2 17112017 MONSTER GO
AJP611 tristis 1 vluchtroepje 24112017.j

Spectogram of the recorded call (one call, in flight after release)

Arnhem AJP616

17 November 2017, Meijendel, Wassenaar, the Netherlands

SibTjf3 17112017.jpg

Arnhem AJP616

29 November 2017, Meijendel, Wassenaar, the Netherlands

20171129_121844 bewerkt.jpg
20171129_121930 bewerkt.jpg

SCANDINAVIAN CHIFFCHAFF

Arnhem AJT625

3 November 2018, Meijendel, Wassenaar, the Netherlands

20181103_104356.jpg
20181103_104135.jpg

And a final Siberian (right), Arnhem AJP616 & a happy citizen scientist (left)

17 November 2017, Meijendel, Wassenaar, the Netherlands

20171117_110158 bewerkt.jpg
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