Weather: calm ,cold and overcast
Nets: 280’
JT and JSJ
New
|
Retrap
|
Total
|
|
Blue Tit
|
1
|
1
|
|
Cettis Warbler
|
2
|
2
|
|
Goldcrest
|
1
|
2
|
3
|
Great Tit
|
2
|
2
|
|
Reed Bunting
|
1
|
1
|
|
Redwing
|
2
|
2
|
|
Total
|
5
|
6
|
11
|
A good deal colder than advertised but no breeze, at least to start
with. This enabled us to get all three nets up at net ride one. Redwings were roosting in the bushes at the end so we disturbed
them putting the nets up and only managed to catch two, the total for the morning unfortunately. Apart from two Great Tits and three
Goldcrests, we also retrapped a Wilstone Reed Bunting from earlier in the
year
which evidently has visited Marsworth where it has acquired the
colour rings, red over red on its right leg.
We also retrapped two female Cettis
Warblers ringed at Wilstone, one from the 8th of October and caught several times since. The other was first ringed in November 2013, since then she has been
caught a further 5 times in the intervening years but only during the winter periods. Has she been
at Wilstone all the time only visiting the netting areas during the winter to
forage?
If so, she has been on her own all through the breeding seasons as
no male has held a territory at Wilstone since 2011. Or is she a true winter visitor using the reed bed as a locality
to survive the winter? Is this wintering site fidelity? She needs to be
recorded during the Summer to answer this, I think.
Johne
Capture dates for female Cetti's Warbler:
November 2013
March 2014
September 2014
October 2014
January 2015
January 2016
December 2017
No comments:
Post a Comment