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Gibraltar Point, 2nd November 2013

It is not often that I get to ring elsewhere than in my local patch but I spent the weekend at Gibraltar Point at the beginning of November.  Only the Saturday was conducive to ringing. as the wind speeds were too high for safety on the Sunday.  Nonetheless, it was productive and I did get to ring a new species: Woodcock. I also ringed my first Redwing of the autumn.  What was also interesting was just how many Greenfinches they had there.  There was no sign of the population crash that we have experienced here in Wiltshire with the Trichomonosis parasite.  The birds processed by me were as follows: New (Retrapped):

Woodcock 1; Blue Tit 1(2); Great Tit (1); Wren 2(1); Dunnock (1); Robin 2(1); Redwing 1; Goldcrest 4(2); Magpie 1; Goldfinch 8; Greenfinch 14(3); Chaffinch 6; Reed Bunting 4

Totals: 44 (11).  This was about one third of the total catch with another 24 retrapped Greenfinches taken and measured.

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Webb's Wood, 30th October 2013

The morning of the 30th October promising to be a good clear day I went to Webb's Wood hoping for Siskin and Lesser Redpoll.  For anybody who knows the layout of the site, my nets were set down two rides either side of the left hand fork in the main track near the end of the hard core substrate.  The birds caught were as follows ringed (retrap):
Blue Tit 10(2); Great Tit 8(2); Coal Tit 2; Long-tailed Tit 2; Treecreeper 1; Wren 8(1); Robin 6; Goldcrest 15(1); Lesser Redpoll 4.  A total of 56 new and 6 retrapped.

It is the first time ever that I have caught more Goldcrest than any of the tit species.  This was also the largest catch of Wrens I have ever been involved with - even on sites where they had up 3 times as many nets as I did.  Six of the nine Wrens were caught in just 48 metres of net, which is a pretty high density: Birds of the Western Palearctic give their territory sizes as between 0.48 and 3.00ha with flocking only seen at food sources in very hard winters - which we certainly don't have yet.

However, the best catch for me were the 4 Lesser Redpoll: the first of the Autumn.  Lovely birds:

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Somerford Common, Saturday 26th October 2013

I had a cracking session at Somerford Common this morning.  The highlights were catching 5 Treecreepers in one session, 2 new Marsh Tits for more data for my project, and a Long-tailed Tit ringed in Ravensroost on Thursday and caught on Somerford on Saturday. I put up two net rides with a total of 147m, either side of Somerford Common Lane at the north end of the wood anticipating a slow morning - and caught loads.  The list is as follows: New adults / not aged (Retrapped)[New Juveniles]:

Great Spotted Woodpecker 1; Nuthatch 2; Treecreeper 1[4]; Blue Tit 3(1[19]); Great Tit 3(1)[4]; Coal Tit 1[11]; Marsh Tit (1)[2]; Long-tailed Tit 5(2); Wren 3[1]; Robin 2(1)[1]; Goldcrest 8(1)
Total 71 new; 7 retrapped.
The key points are that the 2 new Marsh Tits were birds of this year, showing that it is highly probable that Somerford is supporting a breeding population, supported by retrapping a Marsh Tit ringed on the 8th December last year in the same locality. The two new birds were colour ringed as follows: both had Left: Metal over Dark Blue; the Right legs were ringed: Yellow over Grey and the other Yellow over White.
Marsh Tit

Ravensroost Woods, 24th October 2013

Being on an extended sabbatical from working for a living I had been looking forward to filling my boots with a lot of ringing sessions: just as the weather decided not to play ball.  When I got up yesterday and saw that the weather was still I did a quick run down to Ravensroost to see what was about.  I was very glad that I did: lots of Long-tailed Tits plus new Marsh Tit, Nuthatch, Treecreeper and Great Spotted Woodpecker.  The list was as follows: Adults / unaged (Re-traps) [Juveniles]
Blue Tits (7)[7]; Great Tit 1(2); Coal Tit (1)2; Marsh Tit 1; Long-tailed Tit 17; Nuthatch 1; Treecreeper 1; Dunnock [1]; Wren 2(1); Robin 1(2); Goldcrest [3]; Chaffinch 1.
It was good to get another Marsh Tit colour ringed: that is 22 in just over 12 months of which 8 were in Ravensroost which, alongside the 4 birds ringed prior to the start of the project, indicates a small but sustained population within Ravensroost Woods.
All of the Blue Tits, including the retrapped birds, were juveniles. This is becoming something of a feature and I am putting an article together comparing the presence of Blue Tits in this wood over the course of the year.  Initial findings are interesting but I am looking to add in more data before evaluating the trend.  It would be interesting to see whether other ringers in similar habitats are seeing the same pattern.
Blue Tits

Tedworth House, 17th October 2013

I am working alongside the Wiltshire Wildlife Trust and the landowners at Tedworth House in the south of the county.  The Trust are taking on management of the woodland, which has not been managed for decades, to make it a highly productive woodland for a wide variety of nature.  My interest being very much the bird side of things I have run a couple of ringing sessions there for the benefit of the landowner to see what they have.  Because the canopy is so high and there is currently little under-storey the ringing catches are small but the variety of birdlife heard and seen is pretty decent.

I was on site on the 17th with a few nets up to see what I could catch.  One area has a coupe of conifers fronted by a few yew trees so I put a Goldcrest tape on the net to see what I could attract in as I could hear them in the trees around me.  This was the first bird I caught yesterdayFirecrest small:

A fabulous Firecrest.  I also managed to catch 3 x Goldcrest; 2 x Wren; 3 x Robin and 1 each of Blackbird and Dunnock in 3 nets.  The landowner is going to set up a feeding station before my next visit so I expect to see the numbers rise significantly.

Other birds observed and heard on site were: Tawny Owl, Raven, Carrion Crow, Rook, Jackdaw, Jay, Magpie, Blue Tit, Great Tit, Marsh Tit, Long-tailed Tit, Grey Wagtail, Chaffinch, Goldfinch and Buzzard.


Ravensroost Woods, 15th October 2013

After being away for a week or so and then with a wet and windy weekend it was a relief to get a bit of ringing done today.  However, this is possibly the laziest bit of ringing I have ever done: arriving on site at 10:00, putting up 5 nets in new positions just to test out whether they might be useful alternatives this winter.  The good news was that 2 of them look very promising: one delivering the 2 Goldcrests that I caught, the other delivering the bulk (!) of the rest.  The birds caught were all birds of this year: New Birds (Retraps); Blue Tit 4 (1); Great Tit 6; Coal Tit 1 (1); Goldcrest 2.

Coal TitGoldcrest


Webb's Wood, 21st September 2013

An interesting session in Webb's wood today.  Having managed to get myself out of bed early enough to have all my nets up by 7:00 this morning I then managed to catch a single Wren between then and 10:30.  Instead of doing the sensible thing and packing up I put up two more nets at 9:30.  Between 10:30 and 12:30 I extracted and processed an additional 92 birds.  It was very busy but easy enough to cope with: as I emptied each net I closed it to prevent it catching any additional birds.  As you would expect, the majority were Blue and Great Tits but there were some cracking birds in the mix. The birds were as follows: adults (retraps) [juveniles] as usual:
Great Spotted Woodpecker [1]; Nuthatch 2*; Treecreeper [1]; Great Tit 7 (1) [22]; Blue Tit (1) [20]; Coal Tit [7]; Long-tailed Tit 17* (2); Wren 2 [1]; Robin [1]; Blackcap (1); Chiffchaff [1]; Willow Warbler 1 [1] Goldcrest [4].

Totals: 29 adults / not aged; 5 retrapped and 59 juveniles.
* with Nuthatch and Long-tailed Tit both adults and young undergo a full post-breeding / post-fledging moult and are pretty much indistinguishable one from the other by the autumn.

Great Spot webbGoldcrest webNuthatch webTreecreeper webWillow Warbler webWillow Warbler front

Ravensroost Woods, 7th September 2013

A busy session in Ravensroost Woods today.  I was delighted to be joined by David Wall: to whom I am grateful for his help in putting up and taking down the nets and for being my scribe for the session.  That extra pair of hands makes a lot of difference.

The birds captured were as follows: adult (retrap) [juvenile]

Treecreeper [1]; Great Tit 2 (2) [4]; Blue Tit (1) [18]; Coal Tit [1]; Long-tailed Tit 5*; Robin 1 [4]; Blackcap 1 [7]; Chiffchaff 3 (1) [4]; Willow Warbler (1).  Totals: 7 adults, 5 not aged, 5 retrapped and 39 juveniles.  The Long-tailed Tits are not aged because both adults and young undergo a full moult in the summer months so you cannot tell which year they were born in.

Robin, the warden at Ravensroost, had been worrying about where his Blue Tits had gone and concerned that they might have had a poor breeding season: they seem to have done fine.  All birds caught were in really good condition and there is clearly a lot of food available this autumn.  ST

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