THERFIELD HEATH
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This page shows past events. For our calendar of upcoming events, click 'what's on' on the menu above.

Past events by Friends of Therfield Heath

Saturday 14th May 2022 - Birdsong walk

At the early hour of 7.00am on Therfield Heath eight people bravely joined the Friends of Therfield Heath bird song identification walk, led by Doug Radford.  Doug was very quickly indicating the songs of Whitethroat, Lesser Whitethroat and Blackcap. The lovely sound of Mistle Thrushes joined in along with Robins, Chiffchaff, Chaffinch, Blackbird, Song Thrush, Skylark and, pleasingly, Greenfinch, which have seen a large drop in numbers recently. Less melodious were the metallic notes of the Jackdaw and the harsh, very loud croaking of numerous nesting Rooks. We saw Red Kites, Red Legged Partridges and Lapwings, the latter most probably nesting and vigorously harassing the Kites, and several Hares. 

As we neared the end of the walk, eagle eyed (unfortunately we didn’t see any eagles though) members of our party pointed out first a Spotted Flycatcher and then, when we thought it couldn’t get any better, a beautiful, striking male Bullfinch at the top of a tree.

​Many of the party then stopped at the Heath Café for a very tasty breakfast, agreeing what a lovely morning it had been when we were suddenly treated to a Hobby circling close to us, what a spectacular end to a fantastic morning.
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Saturday 5th March - Barrow Walk

A hardy group of 25 people set out with Keith Fitzpatrick-Matthews (North Herts District Council’s archaeologist and curator of Hitchin Museum) to walk the barrows of Therfield Heath. It was cold, wet and windy but Keith made our walk so fascinating that it didn’t matter! We were surprised to learn that the tracks you see on the Heath are ancient and that the ridges between Lankester Hill and the rifle range are left from farming during the Napoleonic wars, when extra land was farmed because Napoleon blockaded our ports. There are many round barrows on the heath, probably the burials of locally important people in the Bronze Age. These barrows were covered with the underlying chalk and so bright that you could see them from a long way off. The Bronze Age lasted from around 2.500 to 700 BCE. The long barrow is even older, from the Neolithic period 3400 to 2400 BCE.

Keith explained the finds from the archaeological digs many years ago and the different types of burials. He told us that the recent LIDAR survey shows many more features in the landscape, now being examined by archaeologists. He explained the current interpretation of the mile ditches and much, much, more.

This event was very over subscribed so we plan to invite Keith in the autumn for another walk. When the details are confirmed, they will be on the Friends event calendar.

Sunday 14th November - Tree Walk

​​The Tree Walk in November was a very interesting guide to the lives of the trees on the Heath. Led by Doug Radford, former warden of RSPB Fowlmere reserve, the group strolled across the Heath, taking advantage at the high points to stop and admire the beautiful autumn foliage in the area. We identified Elm, Sycamore, Holly, Walnut, Crab Apple, Yew and Beech trees. Shrubs included Elder, Hawthorn and Berberis. Doug showed us how to identify the marks of lightning strikes, trees rotting from the inside due to water damage and bark that looks damaged but is still growing. Dead trees are very important to the ecosystem, especially when they are still standing. Doug explained how both living and dead wood are so important to insect and bird life.  Find out more about the importance of ageing and dead wood in a very enjoyable YouTube presentation by Steven Falk, “Don’t Stop The Rot.  Dead Wood Invertebrates and Their Conservation”. In one section of the woods at the edge of the Heath, there are plenty of young saplings growing. Deer love to eat young saplings. This shows that deer are not entering these woods probably due to the presence of humans and their canine companions. The woods in the Two Hills area are in good condition. Doug discussed how important the careful management of these woods are to preserve the Heath’s ecosystems.

Saturday 9th October - Star gazing

The Friends held a Star Gazing event in October. We were incredibly lucky with the weather and a cloudless sky allowed a clear view of the stars and planets Jupiter and Saturn. Astronomer Ted Pillinger gave the group an introduction to the October night sky. He pointed out the North Star and many constellations, visible to the naked eye and binoculars. Royston’s Tim Wells brought along his telescope, showing detailed views of stars, galaxies, Jupiter’s moons and Saturn’s rings. Grateful thanks to both experts for an inspirational and informative evening.  We hope to repeat the event in the spring.
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Lyra is a northern summer constellation, which is highest in the midnight sky around June. It is known for its brightest star, Vega.

Landscape Painting Group - May to September 2021
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A group of amateur artists met monthly from May to September in 2021 to enjoy plein-air painting sessions on Therfield Heath, attempting to capture its colour and beauty on canvas and paper. In sun, wind and (sometimes) drizzle, up to seven of us produced panoramic landscapes, studies of trees, buildings and passing walkers; sketching with pencils, pens or charcoal, painting with watercolours, acrylics & inks, and even using an iPad app.  We’ve thoroughly enjoyed being out in the open air and having a go.  A small fee is charged for each session and all money raised goes towards helping to maintain the Heath.  Sessions are organised by FOTH member Joan Munden, who intends to reconvene the group next year.  If you would like to join us, look out for information on our What's On page.
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Friday 10th September - Bat Walk

On this lovely Friday evening we ran a sold out event with Chantal from the Hertfordshire and Middlesex Bat Group. Chantal started with a short talk about bats, she talked about some of the species and dispelled some myths about bats.

Unfortunately, populations of many bat species have decreased greatly over the last 60 years. One species recently became extinct in Britain and others are now seriously endangered. The Herts and Middx Bat Group are working to further bat conservation in Hertfordshire and Middlesex, and it was interesting to discover that if you find an ill or injured bat, you can call the national Bat Helpline on 0345 1300 228.

​​After the talk, Chantal gave us a demonstration on how to use the bat detectors that she brought with her, each group got their own, then we set off up the valley. At the top of the valley, it was amazing to discover just how many common pipistrelle bats there are flying over your head by the tree-line, if you weren’t looking up you would simply not be aware of them, but the longer we stood (and with the help of the detectors), the more we discovered! After a while we were also joined by soprano pipistrelles and once we made our way down through the trees, we also picked up some Noctules who echolocate at a different frequency.
​All in all it was a fascinating and thoroughly enjoyable evening, thank you very much to everyone who attended and to Chantal for her time. We will shortly be donating half of the income from this event to the Hertfordshire and Middlesex Bat Group.
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​Sat 3rd July 2021 - Flowers of Grass Chalkland identification walk

It was the afternoon of Saturday 3rd July and the weather forecast promised thunder and lightning, but still an intrepid group of 13 met on Sun Hill Common to join a flower identification walk on Therfield Heath led by expert Claire Beale.  Soon, though, outer garments were being discarded as the sun broke out, banishing any chance of rain and raising the temperature.  The flowers thus opened up for inspection and under Claire‘s expert tutelage around 30 different species were identified, including two orchids, the Spotted and Pyramidal.  The target was to identify flowers that are characteristic of lower calcareous grassland, of which Therfield Heath is a good example.   All were beautiful, although the Knapweed Broomrape maybe only to its mother, and all important to insects and butterflies, especially the Horseshoe Vetch which is the only food source for the rare Chalkhill Blue Butterfly but also attracts others.   The unexpectedly good weather meant that in addition to the flowers there was an abundance of butterflies on the wing, especially the beautiful Marbled White which so earnestly lives up to its name.  Many thanks to Claire for leading the walk which everybody agreed was both very informative and very enjoyable.
Thank you to Ray Munden for the below photos. 
Agrimony
Birds-foot Trefoil + Vetchling
Blue Milkwort
Clustered Bellflower
Common Rockrose
Dewberry
Dropwort + Small Skipper
Greater Knapweed
Greater Knapweed
Hoary Plantain
Knapweed Broomrape
Lady's Bedstraw
Mignonette
Pink Milkwort
Purging Flax
Pyrmidal Orchid
Restharrow
Salad Burnet
Small Scabious
Spotted Orchid
Squincywort
Tufted Vetch
Tufted Vetch
Vetchling
Wild Thyme + Small Heath
Wild Thyme
Yellow Rattle

26th June 2021 - visit from the Vice Lord-Lieutenant

The Vice Lord-Lieutenant of Hertfordshire Richard Beazley MBE visited Therfield Heath & Greens on Saturday to be welcomed by Janet Rossignol-Bubbins, Chair of the Friends of Therfield Heath & Greens, and Clare Swarbrick, Chair of the Conservators.  The Vice Lord-Lieutenant was accompanied by his wife Violet and Deputy Lieutenant Dr Richard Woolfson. 

Clare had the pleasure of introducing Mr Beazley & his wife to Therfield Heath’s new Head of Conservation & Development, Cheryll Whaley-Wilson.  The group enjoyed a walk to Church Hill where many visitors find a fantastic display of pasqueflowers every year.   The Vice Lord-Lieutenant chose to visit Church Hill as the site has been the Coronation Meadow for Hertfordshire since 2013.  The meadow’s rich biodiversity and environmental value means is it one of only a handful of meadows nationwide to receive this status.  As Cheryll commented “Church Hill is a site of special scientific interest and home to a particularly significant population of pasqueflowers along with other chalk download flowers such as cowslips and kidney vetch”. 
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Having enjoyed a visit to Church Hill the Vice Lord-Lieutenant discussed Therfield Heath & Greens with representatives from the Conservators and Friends of Therfield Heath & Greens over lunch at the Heath café.  Janet Rossignol-Bubbins presented the visitors with 12 months Honorary Membership of the Friends of Therfield Heath & Greens to encourage them to visit again soon. 
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19th May 2021 - Landscape Painting

Seven brave souls set out on Wednesday morning, missing the early rain, and setting up our painting stations either on the edge of the field in the sun, or amongst the trees where it was chillier. 

We produced panoramic landscapes, studies of trees or vistas through the woods, sketching with pencils, pens or charcoal, painting with watercolours, inks and even an iPad app.  Most of us hadn't done much painting for a while so thoroughly enjoyed picking up our brushes again. 

As we packed up our equipment the wind had picked up and huge black clouds loomed over Therfield Heath.  We'll be back another day.

Joan
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18th May 2021 - Introduction to bird identification and song

​Nelly and I had a wonderful time at the "Introduction to bird identification and song" this morning. We were able to experience the Heath at a slower pace and look deeper to find the treasures hidden in plain sight. We saw and heard Mistle Thrush, Song Thrush, Skylarks, Meadow pipits, blackcaps, blue tits, whitethroats, linnets, robins, wrens, a lapwing, a stock dove, yellowhammers and a red kite. In addition to the birds we saw yellow meadow ants, a rabbit, a hare and a muntjac deer.

Big thank you to Doug, Ray and all Friends of the Therfield Heath, who made us feel very welcome.
Delyan
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Thank you to Delyan Ivanov for the gorgeous photos below from the day.
Mistle Thrush by Delyan Ivanov
Linnet by Delyan Ivanov
Whitethroat by Delyan Ivanov
Meadow Pipit by Delyan Ivanov
Stock Dove on Therfield Heath
Yellowhammer

Easter 2021 - Easter Egg Trail

As we're still in lockdown, the committee set up an easter trail on the heath for individual families to enjoy. We received some lovely comments of thanks on Social media. 

As restrictions had lifted enough for families to take part within their household groups, an unmanned Easter egg trail was set up on the Heath by the FOTH committee. It ran from Good Friday to Easter Monday, with members of the committee giving their time every day to check it hadn’t been blown away by the wind. For the little ones there were pictures of decorated eggs, while the older ones could test their bird identification knowledge. We were delighted with all the positive comments on the content. We will see what next year brings 

27th Jan 2021 - Quiz
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Nearly thirty people joined the annual quiz via zoom. Again it was questions that tested your local knowledge,but you needed a good general knowledge too. Many thanks to Peter Baker for photos used in the quiz. It was an enjoyable couple of hours but no outright winner was declared because of the difference in size of the groups taking part and also self-marking. We hope to be back in The Heath Cafe next January. Keep your wits sharpened!

4th October 2020 - Bear Hunt
Those that took part in the Bear Hunt said they enjoyed themselves despite the awful weather. Twenty families took part appreciating the Bear Facts and being able to take photos with Therfield the bear at the end.

We always welcome new ideas on what we should have next, so if you have any thoughts, please let us know.


Monday 7th September 2020 - Bat walk

The Friends of Therfield Heath organised a 'bat walk' with Chantal Helm from the Herts and Middlesex Bat Group and 15 attendees and it was a great success, we raised £40 for the Bat group and another £40 for FOTH.  

Chantal had previously done some bat surveying around Royston before but not on the heath itself so we all had our fingers crossed to be able to find some bats and they didn't let us down.
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We started with a fascinating talk from Chantal, where we discovered that there are over 1,400 species of bat worldwide, with around 18 species that can be found in the UK. We discovered how all of the UK bat species are insect eaters and it's very rare for them to get caught in people's hair due to their amazing echolocation skills. 

After a 20 minute talk jam packed with interesting information, Chantal handed out bat detectors (one to each household group) and taught us how to use them. We practised by using them to locate Chantal's electronic bat sound machine. We learned how to change the frequency depending on which species we were trying to locate.

We then set off to find some bats. The first patch of woodland had the very occasional sound and a glimpse of a bat, but then we rounded the corner and were treated to a 10 minute arial display by at least two bats. We saw them flying along the tree line and listened to them using the detectors. Chantal explained how we could tell when they were catching flies based on the sound they made and we were amazed to hear them catching flies sometimes every second or two. It's no wonder an individual bat can eat up to 3,000 insects per night. 

We eventually moved on and found two other species of bat along our travels, eventually heading back to the car park when it was getting too dark to see any more. In total we found both Common and Soprano Pipistrelles and also Noctule bats.

We all stayed very 'covid safe' with our initial talk outside, wiping down the bat detectors before and after use and staying 2m apart from other households. 

We very much hope Chantal will be happy to join us again for another talk next year, when we can hopefully allow full numbers of attendees again. 

Saturday 11th April 2020 - Virtual Easter Egg hunt
Due to Coronavirus we were unable to run our Easter Egg hunt on the heath. So instead we created a virtual easter egg hunt. The question was - how many of each colour eggs can you find, and how many animals? We had over 2,500 views on the video, so we hope many children enjoyed watching and finding!
Results:
​The animals were:
1. Ray
2. Frog
3. Killer whale
4. Otter
5. Hedgehog
6. Zebra
7. Fox
8. Gorilla

​​9. Dog
​10. Pig
11. Panda
12. Tiger
13. Elephant
14. Whale
15. Polar bear
16. Shark
17. Rhino

​The eggs were:
4 yellow
4 green
4 red

​Total = 12 eggs

Friday 24 January 2020 at The Heath Cafe - Quiz

We had an amazing response to our quiz - we were full to capacity!

The winners were the team called “Follow the Leader”, the final scores being very close together. Well done to all the teams and many thanks for supporting us, so helping make it such a successful evening.

We raised over £600, which will go towards future projects, such as a new sign for Church Hill.

We have had a lot of very positive comments, saying how much everyone enjoyed the evening, particularly the local knowledge, flora and fauna rounds. The Committee members who helped organise the evening had an enjoyable time, we hope you did too.

A big thank you to Toby and the Heath Cafe team for great nibbles, bar service, and providing the PA system, also to all those who provided such great raffle prizes.

Thanks again for your support, and the committee thank Janet for all of her hard work getting it together and running it on the night. 
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A very full room
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The winning team

Saturday 10th October 2019 - Litter pick
Despite the rain, some of us got together on this dreary day to rid the heath of some of the litter that the less considerate users of the heath leave behind. We collected a few good bags full, and the little ones enjoyed using the litter picking sticks!


Wednesday 12th June 2019 - Photography
Our photography workshop on the heath on Wednesday night was a big success, unfortunately the weather put some people off, but those who did come along wrapped up warm and we all had a fantastic time, despite a little bit of drizzle.
Keith and Peter from Melbourn & District Photographic Club (http://melbournphotoclub.com/) split us into 2 groups, one group learning about iPhone photography (rule of thirds, photo editing within the camera app, micro photography, panorama tricks, finding good subjects, ‘human interest’ etc) and the other learning about general photography (getting off auto, exposure – aperture / shutter speed / ISO and the when / where and how to use these settings). Both groups said they learned a lot and really enjoyed the session.
Thank you so much Keith and Peter for your time and expertise :)
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Below are some of the photos from the iPhone group, I hope to add some from the other group

Sunday 12th May 2019 - Bird ringing demonstration
8am on this fine Sunday morning we gathered at a farm near to Therfield Heath to find out all about the whys, wheres and hows of bird ringing. The team showed us how they put up the nets with a demonstration (most of us didn't visit the actual nets so that we didn't cause extra stress to the birds) and they brought back a number of blackbirds, whitethroats and other species too, to show us how they health check and put rings on their legs so that the birds can be tracked each time they are caught, or if they are found deceased. The information they are gathering is invaluable to furthering our knowledge of the lives of these birds. 


Wednesday 8th May 2019 - Guided Walk 
On a fairly gloomy May evening 16 walkers, comprising Friends of Therfield Heath and Royston Ramblers, met at the Heath Café to partake in a walk of around 3 miles under the guidance of expert trekker David Allard.  We set off up to one of the highest points on the Heath with its wonderful views over Royston and as far as Ely on a clear day.  Today the view included our poor Parish Church which, covered in all its bandages, was standing out more than ever.

​We carried on around the Heath and David pointed out various barrows, burial mounds possibly from around 4500 years ago. Mind you, when you consider that the Great Pyramids were built around the same time our efforts do look a bit puny.  But then we invented the industrial revolution so maybe it’s a 1 all draw.
We carried on to Church Hill, where the remains of what had been a really good show of Pasque flowers were evident, before walking through the woods and then back across to the Heath Café  This had unfortunately closed for the night, thereby disappointing those who were looking forward to some coffee, or maybe something stronger.

There will be another, longer walk later this year so keep any eye on the What's On page.
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Sunday 14th April 2019
We had a great afternoon searching for Easter rocks which could be swapped for an egg prize. We ended up having a massive 130 kids attending, which was a wonderful surprise, and certainly kept us worrying about whether or not we had enough chocolate! A huge thank you to Montessori Sun Hill nursery for painting our egg rocks so beautifully, Tesco and Bury Lane farm for their chocolate donations, and finally to Lily at Suppawt Dog Training for helping us with the poo and litter pick prior to the event. 

Sat 16th March 2019 - Bird and bat box building
A number of members attended to help put together 20 bird and bat boxes for putting up around the heath. It was a really enjoyable event, learning why the different boxes are built in the different ways.
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