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Blog - blue tits

The opening of the woodland canopy.

The opening of the woodland canopy.

by The blog at woodlands.co.uk, 6 May, 2022, 0 comments

Certain woodland plants are found in the understory.  Plants like wood anemones, woodruff and lungwort bloom early in the year. These plants make use of a ‘window of opportunity’ when the light levels are good as the tree canopy has not developed, the leaves have not yet expanded. They use this ‘window of light ‘ to flower.   However, climate change is affecting many ecosystems - including woodlands.  With warmer temperatures, leaf buds tend to open earlier and the leaves begin to expand.  If the window for growth is reduced, how can the wood anemones and others cope ? [caption id="attachment_38093" align="aligncenter" width="700"] wood anemone[/caption] To investigate this question, scientists based the Universities of Tübingen and Frankfurt examined thousands of preserved herbarium specimens of early flowering plants, dating back over a hundred years.  The sheets not only hold specimens collected when they were flowering but also have  information on ‘when and where collected’.  Each sheet is a a moment in time from over a century ago.  Collectively, the 6000+ sheets allowed the scientists to establish historic flowering times of woodland plants over large areas of Europe. [caption id="attachment_38094" align="aligncenter" width="700"] Woodruff[/caption] The information extracted from the herbarium records revealed that plants like wild garlic and wood sorrel now bloom some six days early than at the beginning of the twentieth century.  For each 1oc rise in (Spring) temperature, their lowering has advanced by more than 3 days.  This means that they have gained time in the light - in an open canopy.  Whilst they may have gained time,  these early flowering plants are at greater risk of frosts.  It may also be that their pollinating agents may not be around - unless they too have brought forward their development / life cycle. There is some evidence that such changes are taking place.  Recent work at Wytham Wood (outside Oxford) has shown that blue tits have moved forward their egg laying to 'match' the development of the oak canopy, and the appearance of caterpillars (on which the young are fed).  Essentially, the timing of the food chain has changed..  Hopefully, such changes will occur in different ecosystems across the country.
At last,  my own wood.

At last, my own wood.

by The blog at woodlands.co.uk, 23 January, 2022, 5 comments

So!  My story begins many, many years ago when I had a dream to own my very own woodland.  Of course I didn’t believe it would ever come true, however, a dream’s a dream and one day I decided to go for it.  I sold my house and downsized in a big way so that I had funds to realise my dream.  Then the search began, three years of searching. Everything I found was too far away, too expensive, too big, too small……!! Then, I fell on one for sale with Woodlands.co.uk, just five minutes from home and 6½ acres – perfect! I will never forget the day of completion.  I was soo excited and couldn’t wait to get the key to my gate so I could officially walk through my very own woodland.  As I struggled through the bracken and brambles, which in themselves were a delight…. Little birds popping out, discovering little plants, blackberries, raspberries, self-set holly bushes, oak trees… It was just wonderful.  The majestic Silver Birch trees towering over me giving sneak previews of the sky above.  The smell was just amazing…. Was it my imagination or was the air so pure with subtle scents of the tree and plant species. I was truly in my element. My intention was to spend as much time there as possible so setting up camp was a priority, along with a pathway so as not to disturb any wildlife/budding growths when clambering through the dense overgrowth. I cleared an area for the ‘camp’ which was soon to consist of a fire pit, stumps from the larger fallen trees for seats, a frame from cut off trees to throw a sheet of tarpaulin over - should the rain come. This little secret area became a huge part of the early days at the woodland. There’s nothing quite like boiling a kettle on an open fire, cooking lunch using the branches collected.  The smell, the warmth not to mention the smoke to keep the unwelcome little bug visitors away!!! Imagine my excitement when 7 deer came strolling past for the first time which gave me the idea to have an area to encourage them to visit so that we could hopefully see them regularly. Over the next few months, pathways were developed so that all areas of the woodland could be accessed with various areas of interest including a sensory garden, allotment, orchard, natural pond, various picnic areas, deer watch area, an ‘observatory’ to shelter us in the evening / night where we hide out and watched the night wildlife (deer, rabbits, owls), and our very own 'Hartley Hare' !!!).  On clear nights, watching the stars through the telescope is just amazing… there’s no light pollution so the sights are just amazing. Then there’s the memorial garden, inspired by my sister who I lost to Covid in March 2020. And, who could have a woodland without a bit of Winnie the Pooh – a tribute to Hundred Acre Wood!!! I have put bird boxes up to encourage varieties including Tree Creeper, Blue tits, Great Tits, Sparrows,, Nuthatches, Owls and baskets for Sparrow hawks, Hobbits and Buzzards. The original disappointment as squirrels moved into the Barn Owl box and Pigeons into the Tawny Owl box soon became delight as the babies arrived. It was so lovely watching the busy parents rearing their young. Then, the following season, guess what….. yes!!…. A Barn owl nested!! Friends and family just love to visit the woodland to enjoy the magical relaxing atmosphere; to explore the pathways leading to the various little nooks and crannies to search for plants, insects and just to sit quietly, listening to the birds and the rustle of the leaves. To anyone who has never thought of owning a woodland before, just imaging the freedom, the space, the never ending discoveries of plant life, tree life, wildlife and with imagination, you can make more than one dream come true.  To anyone who is thinking of owning a woodland…. Do it!  You will have nothing but pleasure and peace, and experience an immediate shift in your mental wellbeing and, if like me you have physical disabilities, the change of pace, the air, the green will have a positive impact on your aches and pains!!!           Thanks to Lesley for the above enthusiastic account of her woodland adventure.
great tit

Food for thought?

by The blog at woodlands.co.uk, 16 January, 2022, 0 comments

It is estimated that each year UK households spend some 250 million pounds on bird food.  This amounts to some 150,000 tonnes of suet pellets, fats balls, peanuts, sunflower seeds etc - on offer (in feeders of varying complexity*) in urban and sub-urban gardens.  These offerings are a marked contrast to the occasional kitchen scraps that were placed on home-made bird feeding tables some 50 years ago.  The question has recently been raised as to whether this is a good thing.  In 2019, research by the British Trust for Ornithology indicated that this provision of food can affect bird communities in the United Kingdom.   For example, species that rarely visited gardens in the past, have become common visitors. Now, researchers at Manchester Metropolitan University have suggested that these extensive offerings of food might be affecting the ecological balance between different species. Blue tits and great tits are regular feeders in gardens, and they appear to benefit from this provision.  Blue tits tend to be be quite dominant in terms of their interactions with other birds - whether quarrelling over food or nest sites.  Consequently, species like willow tits and marsh tits tend to ‘lose out’ in such altercations.  Certainly, willow tits miss out to blue tits in the competition for nesting sites.  Another species affected is the pied flycatcher.  This is a summer visitor, spending the winter in West Africa.  It, too, is in competition with great tits for nesting sites.  The provision of food for resident bird populations may tip the balance against summer migrants, like the flycatcher. The change in feeding patterns of some birds may of course be associated with the expansion of farming over the decades and the consequent loss of natural foods such as fruits, seeds, nuts and berries - from  hedgerow flowers and shrubs.  This may contribute to birds visiting gardens more often.  It may be that our desire to help garden wildlife needs more thought as to the type of ‘help’ that is offered.  This could involve allowing our roadside verges and gardens to be ‘wilder’, with less frequent moving of lawns / grassy areas, more ground cover, planting native trees (like crab apples, hawthorn), less weeding, allowing seeds and fruits  (eg. rose hips) to form, which would encourage insects / spiders Consequently more natural resources would be available to birds and only in harsh times would supplementary materials be needed.   NB : it is essential that feeders are regularly cleaned so that disease is kept to a minimum [e.g. Trichomonosis  caused by the protozoan parasite Trichomonas gallinae] . Remember later this month (28 - 30th January), there is the Big Garden Birdwatch, organised by the RSPB. For further information, click on the image below:-   A footnote : As a species, we have not always been kind to birds.  A recent paper from Tel Aviv University details how humans have been responsible for the extinction of hundreds of birds species (over the last 50,000 years).  They have listed some 469 species of birds that have been lost, though the true number is probably considerably higher.   Many of these extinctions occurred in a short time frame and  were due to either : The hunting of birds (and their eggs) for food or The killing of birds by animals (rats etc) that human expansion brought to islands / countries. Many of the extinct species shared a number of features : Most lived on islands Many were large or very large birds (e.g. the dodo on Mauritius - that provided humans with significant quantise of high quality protein. (A similar fate befell certain large lizards and turtles). Many of the birds were flightless and could not escape their hunters.