Runnymede Ringing Group operates from Maidenhead in the north to Chobham in the south covering parts of Berkshire, Middlesex and Surrey.
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| Young male Common Crossbill, 2020 |
The group got out to Bedfont and Minet, in addition to a couple of sessions at Wraysbury.
A mid-month visit took place at Bedfont. Summer migrants had gone and winter visitors had yet to arrive in number - that's just the way it sometimes goes. Blue Tits dominated the numbers and were joined by a good range of species including Blackbirds, Chiffchaffs, Goldcrest and a band of Long-tailed Tits.
A nine-year Jay turned up at Minet; hatched in 2014 and ringed in 2015, taking it well past the typical 4-years an average Jay can expect. The UK record for a Jay is 16 years 9 months, set in 1983. The same session had a female Sparrowhawk taking the sites ratio of female:male ratio to 5:7. Quite different to the group ratio for this species of 1:3.1. Both ratios reflect our use of passerine nets that female Sparrowhawks tend not to be caught in - their larger size making a net's mesh size behave like a blanket to them which they can roll out of.
The first session at Wraysbury, on the 8th, was good for October. The last of the Blackcaps numbered fifteen and we ringed twenty Meadow Pipit too. We caught one of two Grey Wagtails that had come down to our pipit triangle of nets (a right-angle triangle using 18m/9m/12m nets). The second visit on 22nd was quieter: the Blackcaps were gone, replaced by the first Redwings arrivals. A few pipits were ringed and a Green Woodpecker provided a trainee a new ringing experience.
A Black-headed Gull ringed at the nest in 2002 in Ijsselmeerpolders, The Netherlands turned up at Windsor.
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| A series of photos patiently gets a full ring number |
A Greylag Goose seen in October turned out to have been ringed just 14km away in Southall in September.
With the Wraysbury CES completed in August we kicked off September at the Westside site. Generally providing lower catches, but from a wider range of species than the Eastside, it did well with a figure of 88. There was little to surprise, species wise.
With many members away for parts of the month, this year turned out to be one of the group's quietest Septembers on record.
Still, a visiting trainee from Tring RG picked a good day to visit, ringing over 70 of 111 birds processed when he joined a trainer at Wraysbury on 16th. A triple 18m ride caught the majority with a triangle providing a couple of dozen Meadow Pipits. The day was our first outing with the updated Svensson passerine guide which provided plenty of added details for species aging.
Minet has had a good session this month with species including Blackcap, Chiffchaff and a Magpie.
All three groups got out to Bedfont, Southall and Wraysbury this month.
A short post this month; just long enough to admire the pink flush on the chest of this Lesser Whitethroat, ringed this month.
Bedfont netting topped and tailed the month with sessions on 10th and 24th. Reed Warblers had built-up from May and it was great to see a bird ringed in 2014 return again. Colour was delivered by Jay and Kingfisher. A mid-month visit saw fifteen Black-headed Gull pulli ringed.
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| Ermine Caterpillars |
No bird photographs this month but a clump of Ermine caterpillars hung by the path as we left the site (if you have a different id, do add a comment).
Minet's mid-month session saw Chiffchaff and Whitethroat along with resident species such as Robin, Song Thrush and Wren.
Ringing took place at three group sites in May, recording the breeding season in full swing.
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| 5M Kestrel |
The month's oldest ring was on a Wraysbury Whitethroat from July 2018 and it was good to see Lesser Whitethroat and Song Thrush from 2019 again.
The Kestrel was aged 5 and a single replaced blue/grey tail feather enabled sexing as a male. Note that bluish head feathers would have been a strong criterion on their own.
Away from the CES we tried a 3D-printed Cuckoo decoy but no birds were yet present.
Towards the end of May, Minet recorded Blackcap, Chiffchaff and Whitethroat along with regular residents.
Bedfont also added a session on 29th catching returning Reed Warblers (2021 being the oldest ring).
The Blue and Great Tits had a good start at Woolley Firs and clutch size was typical for the site. For nest-recording, four visits took place giving a good picture of breeding at the site.
Numbers increased at Minet compared with March. A Willow Warbler, three Blackcap and five Chiffchaff marked the start of migration and Green Woodpecker added further variety.
Visits to both sites at Bedfont produced more Blackcap and Chiffchaff as well as a Reed Warbler.
We opened Wraysbury for the year and also recorded Blackcap, Chiffchaff, Reed Warbler,, and Willow Warbler and added Garden Warbler and Whitethroat to the list of warblers.
In March many of our wintering birds have departed to their breeding grounds, while our own birds are still to return from their own wintering grounds.
Our ringing month started on 3rd at Minet, Southall. It produced a Great Spotted Woodpecker and Greenfinch amongst the tits, Dunnock and Blackbirds.
Mid-month we tried Bedfont picking up another Great Spotted along with Jay, Chiffchaff as well as more tits and Dunnock.
We surveyed Woolley Firs fields twice and its woodland once. The finch and bunting flocks had fallen in number as the year progressed and among the catch, only a single Yellowhammer graced the fieldsheet. We ringed four Nuthatch in the woodland.
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| Three Nuthatches (adult male: middle bird; others: young females) |
Despite running three sessions at Woolley Firs this month and getting out to Minet the high winds prevented ringing sessions in the second half of the month. February is one of the UK's windiest months but it's still frustrating when one loses half a month of mist net ringing, nonetheless.
The first two Woolley sessions were out in the fields. Frustratingly, one of my single-panel nets was damaged by a roe deer. That net did go on to catch a Skylark but I'm not sure that was a good trade :)
Along with the lark, we ringed other farmland species including Yellowhammer, Song Thrush, and Dunnock.
On the 18th we ran a public bird ringing demonstration, organised by BBOWT. With 25mph gusts blowing through the wood, we sheltered a net behind a building. We also placed spring traps, baited with mealworms, to improve our chances of having birds to show. It worked, admittedly at a very small scale; the public were great - asking interesting questions and overall the event went well.
We used to run demonstrations each March but moved to February as milder weather in March led to fewer birds being attracted to feeding sites. I can see us having to move to January as this and last February have also been very mild.
New Avian Influenza protocols came into effect in December and this curtailed group activity.
We did visit Woolley Firs twice and were pleased to ring Yellowhammer, Reed Bunting, and Redwing using the fields. A Sparrowhawk also hunted along the hedgerows.
Two sessions at Woolley Firs and another at Bedfont took place ahead of the poor weather that dominated the end of the month.
The BTO set new rules for ringing that took effect from 14th December. As well as continuing the single use of bird bags the framework added recommendations for PPE, regular cleaning of equipment and the spraying of nets at the end of sessions. There have been revisions through December and some discussion between ringers on social media.
A quick trip to the main site on the 6th to the Private Nature Reserve at Bedfont. Three nets were put up in two places for 2½ hours. It was a calm sunny morning and a late start. 21 new birds were processed: a mix of the usual tits and a couple of Chiffchaffs and a lone Goldcrest. A second Treecreeper for the year was caught which was really encouraging.
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We gave the site a rest as the South East was hit by an extended cold snap but unfortunately bad weather closed off further options later in the month and the BTO’s new HPAI framework suspended further ringing attempts as we waded through the new requirements. We’re obviously keen to return in 2023.
