Millook Haven is a pebble beach at mid-high tide, though there is some sand at the very lowest part of the tide. The cliffs behind the beach have impressive zig-zag folding patterns, formed 320 million years ago. The rocks are part of the "Crackington Formation": thin layers of sandstones and shales, deformed by the tectonic plate collision at the end of the Carboniferous period, that crumpled the earth's crust, giving rise to the tors of Bodmin Moor.
Millook was a notorious spot for smuggling.
In the 1780s, Britain was in financial crisis after losing the American War of Independence. High levels of duty were imposed on luxury goods in order to recoup the national debt and this included the curing salt vital to the pilchard industry which was taxed at around 4000%! Consequently many Cornish fishermen that were previously legally employed by the trade were driven into illegal smuggling. Towards the end of the 18th Century, nearly half a million gallons of brandy and more than a quarter of a million pounds of tea were being smuggled into Cornwall each year. This continued until the 1840s, when Britain adopted a free-trade policy that slashed import duties. Within ten years, large-scale smuggling was just a memory.
The local dialect in Cornwall included a number of words related to smuggling. For the purveyors themselves there was:
..and a word specifically for smuggled liquor:
...and also the barrels to transport it:
Millook water is fed by a network of small streams running down the valleys covered by Millook woods, finally reaching the sea through the pebbles on Millook Haven. The longest of the tributary streams has its source at Wainhouse Corner. Part-way along its course within the woodland are the ruins of a mediaeval corn mill, first documented in 1516 as Bastard Mill and still appears with this name on modern OS maps.
A bird you're likely spot easily in the woods is the robin.
Robins are able to hover like kingfishers and hummingbirds and use this skill when feeding from bird feeders, which they are unable to cling to.
It may be an urban myth that Eskimos have a large number of words for "snow" but it's cast iron fact that there are at least this many words for "hill" in Cornish:
Trebarfoote is situated on a hill near Poundstock, overlooking the Millook Valley. The manor house at Trebarfoote has had a colourful history, being used by smugglers, attacked in the Civil War and its ballroom the venue of wild parties in the 1920s. It has even been reported as being haunted by the ghost of the daughter of the squire of Penfound Manor, who was shot 400 years ago whilst trying to elope with the squire at Trebarfoote. Today it seems a little more sedate - for now anyway.
In late spring, foxgloves flower along the track.
In spring, whilst foxgloves seeds are germinating, the established foxglove plants from the previous year start producing their characteristic flower spike. Once these have been fertilised and the seeds have been produced then the plant dies. One foxglove plant can produce over 2 million seeds.
The Woodland Trust was founded in 1972 and is dedicated to providing a UK rich in native woods and trees. They summarise themselves as "the RSPCA of trees" and have set themselves the ambitious target of doubling native tree cover throughout the UK over the next 50 years. They now look after more than 1,100 woods and over 110 Sites of Special Scientific Interest and are committed to providing free public access wherever possible.
The Old English name for the blackbird was osle and up to the 17th Century this survived as in alternative names for the blackbird ranging from ouzel to woosel. One of these is used in A Midsummer Night's Dream by Shakespeare: "The Woosell cocke, so blacke of hew, With Orenge-tawny bill".
The meadow has a spectacular display of wildflowers during the spring which attract nectar-feeding insects such as butterflies and bumblebees.
During flight, bumblebees beat their wings around 200 times every second. However, the buzzing sound they make is not from the beating wings but from the bee's vibrating flight muscles. On cold days, by using their flight muscles, the bees are able to warm up their bodies to temperatures as high as 30 Celcius.
Kissing gates are documented as far back to the 16th Century. The design allow humans to pass through but prevents large farm animals such as cows from passing (sheep have been known to wiggle their way through) without the need for a latch. As well as on footpaths, kissing gates are common in churchyards to allow easy public access whilst stopping farm animals from ruining the grass and relieving themselves on graves.
The Millook Valley, above Millook Haven, contains an area of ancient woodland. The broad-leaved woodland is now owned by the Woodland Trust and is designated a Site of Special Scientific Interest, an Ancient Woodland Site and an Area of Outstanding Natural Beauty. There are primroses in spring, wildflowers including orchids in summer and blackberries and sloes in autumn. Fauna includes dormice, otters and smooth snakes.
The Ramblers Association and National Farmers Union suggest some "dos and don'ts" for walkers which we've collated with some info from the local Countryside Access Team.
Do
Don't
The salt-laden breeze coming off the sea dries out leaf buds and inhibits growth so the plants end up growing most vigorously in the lee of the wind. In the direction facing the prevailing wind, the growth is therefore more compact and stunted whereas in the lee of the wind, the branches are much more straggly. The result is that the trees appear to point away from the prevailing wind. Where there are no obstacles interfering with the wind direction, the shape of the trees can be used as a compass. Prevailing winds come from the southwest, so in general, trees in Cornwall point northeast.
Although it's obvious that you should ensure any gates that you open, you also close, what about gates you find that are already open?
If the gate is fully open then leave it alone as it may well be providing livestock access to a water supply, and by closing it you could end up killing them.
If the gate is ajar or swinging loose and not wedged or tied open then it's likely that the gate was left open by accident (possibly by another group of walkers). Properly closing the offending gate behind you will not only bring joy to the landowner but you can feel good about saving lives in a car swerving to avoid a cow in the road.
If you encounter a gate doubly-secured with twine that can be untied or a chain that can be unfastened, it's normally there because naughty animals have managed to undo the gate themselves at some point (e.g. by rubbing against the bolt), so retie/fasten it afterwards.
The trees in the hollow on the left side of the fields extend out onto the cliffs and around the headland.
The woods on the cliffs of Dizzard are more than 6,000 years old. The trees include sessile oak and wild service trees, stunted by the salty winds. Wild service berries were used to make a strong alcoholic liqueur. The berries and associated spirit are known in some areas as "chequers" and this is thought to be the origin of a number of pubs with this name.
In 1991, sloes were found in the stomach contents of a 5,300 human mummy in the Alps, indicating that they were part of the Neolithic diet. Alone they are extremely bitter but with enough sugar, they can be made into a range of preserves.
Blackthorn wood is very tough and hard-wearing. In order to form its thorns, the tree allows the tips of the tiny stems that make up the thorns to die. The dead wood in the thorn tip is harder and therefore sharper than the living wood.
The rocky beach at the bottom of the cliff on your left is Cancleave Strand.
Cancleave Strand is a rocky beach to the west of Millook Haven. The foreshore of Cancleave Strand consists of impressively folded rock strata which have been upended and eroded by the sea creating a maze of rocky ridges. The offshore island on the right side of the beach is, like many other offshore rocks in Cornwall, known as Gull Rock. There are quite good views of the beach from the coast path at low tide, but if you're feeling brave and the tide is out, it is possible to reach the beach. However note the warning on the sign beside the path which offers the words of encouragement: "informal access to beach via roped descent on eroding cliff face".
At low tide, a series of delicate reefs is revealed.
Honeycomb Worm reefs are fascinating structures, built out of sand on the lower shore. The large golden hummocks have an intricate honeycomb structure up to several metres across and a metre deep. Filter-feeding worms, about 3-4cm long, live in tubes, fanning out plankton from the passing water and capturing particles of shell and rock to build their tubes. Each worm can live for 3-5 years, although the overall reefs last much longer. Although quite brittle, the reefs provide a habitat for a number of other species including anemones, barnacles, limpets, winkles, whelks, mussels and crabs.
The worms need hard rock to build on, and sand to build with, so their requirements are very specific: there must be enough wave action to bring a supply of sand to the rocky areas, but not so much that the worms are blasted off the rocks. The formation of reefs is assisted by a clever biological mechanism. Honeycomb worm larvae drift around in seawater and could settle anywhere to grow into adults. However, the presence of existing worm colonies, or their dead remains, strongly stimulates any passing larvae to settle out at that location, helping to ensure that the reef continues to grow.
The Crackington Formation is a rock formation that was created during the Carboniferous period when Britain lay just north of the equator. A river delta deposited sand and mud into a lake or lagoon and these became compressed into light-coloured sandstone and darker shale rocks. These layers were then tilted on their edge when ancient continents collided. The shales are much softer than the sandstone so these are eroded more easily by the sea, leaving behind ridges of sandstone. The water in the prehistoric river delta is thought to have been quite shallow as ripples from the waves above have been preserved in the surface of the sandstone - there are some nice examples of this on Scrade beach.
In Cornwall, cliffs erode at an average rate of between roughly 3cm - 30cm per year depending on the hardness of the rocks and location. In reality this often happens in infrequent sudden collapses rather than as a steady, gradual process. It was found that one massive storm in 2014 caused around 100 times the average amount of erosion. There are obvious implications from climate change leading to more frequent or more intense storms.
Ferns evolved a long time before flowering plants and dominated the planet during the Carboniferous period. The bark from tree ferns during this period is thought to have been the main source of the planet's coal reserves.
Fern fronds form in a coil (known as a crozier or fiddlehead) with the delicate tip protected in the centre. As the outer parts begin to photosynthesise, the sugars they produce cause more water to be drawn into the leaf, causing it to expand and gradually unfurl.
Ferns produce 2 different types of leaf (although they often look quite similar). The normal leaves are used for photosynthesis of sugars just like in other plants. Ferns also produce a special kind of spore-bearing leaf which can often be identified from the dots on the underside. In hart's tongue ferns, these are really obvious.
Ferns produce neither flowers nor seeds and rely on the tiny spores for their reproduction which are most commonly distributed by the wind. This allows them to colonise some quite random places such as rocky ledges that heavier seeds might not reach. Since the spores come from just one parent fern, the offspring is a genetic clone.
The spore from a fern doesn't grow into a fern. Instead it grows into an organism resembling a liverwort (i.e. a small green blob). Instead of producing spores, these produce eggs and also sperm which they interchange with neighbouring blobs to get a new mix of genes. The fertilised egg grows into a new fern and so this alternating process of ferns and blobs repeats.
The name "buttercup" is thought to have come from a mediaeval belief that cows eating the flowers gave butter its yellow colour. In fact this couldn't be further from the truth as the plant contains toxins which make it taste acrid and is therefore avoided by grazing animals.
The Latin name of the buttercup, Ranunculus, means "little frog" and said to be because the plants like wet conditions. It is thought it may have come via a derogatory name for people who lived near marshes!
There are a few different species of buttercup. One of most common is meadow buttercup (unsurprisingly found in meadows!) which is the tallest member of the family. Another common one is creeping buttercup which as the name suggests spreads through rhizomes so is more likely to be found in dense clumps in damp places. Its leaves are also more golden and glossy.
Meadow buttercups spread across a field relatively slowly as most seeds fall quite close to the parent and although it has a creeping root system capable of propagating new plants, this only extends a fairly short distance from each plant (unlike creeping buttercup which has a much more extensive root system). Because grazing animals avoid buttercups due to their acrid taste, this allows them to accumulate over time. The combination of these factors allows the number of meadow buttercups in a field to be used as an indicator of how long it's been used for grazing.
Buttercups produce a toxin called protoanemonin, which is at its highest concentration when flowering. It is thought that buttercups may be partly responsible for Equine Grass Sickness. Fortunately the toxin is quite unstable and drying of the plant in haymaking leads to polymerisation into non-toxic anemonin. Buttercups are also toxic to dogs, cats and humans. They have a bitter taste which puts dogs off eating the plants but pollen can collect on fur and be ingested, particularly by cats when they clean themselves. A man in France who drank a glass of juice made from buttercups suffered severe colic after four hours and was dead the next day!
For such a widespread tree, the oak is surprisingly inefficient at reproducing naturally. It can take 50 years before the tree has its first crop of acorns and even then, the overwhelming majority of the acorns that it drops are eaten by animals or simply rot on the ground. Squirrels play an important part by burying acorns and occasionally forgetting a few which have a much better chance of growing than on the surface.
The older an oak tree becomes, the more acorns it produces. A 70-80 year old tree can produce thousands. Acorns are high in carbohydrates and as well as being a staple food for squirrels, they are also a really important food for deer and make up a quarter of their diet in the autumn.
Tannins are natural preservatives. The reason why red wine keeps much longer than white is that the grape skins that give the red colour also contain tannins. Oak leaves, wood and acorns all contain a high level of tannins. When wine is aged in oak, the wooden barrels release more preservative tannins into their contents.
The (leather) "tanning" process got its name as it involved extracting the tannins from acorns or oak bark and soaking these into animal hides over 1-2 years to preserve them. From the brown oak juice containing the tannins, the colour "tan" was named and from this the expression "sun tan" arose.
The high levels of tannins in oak make large amounts of oak leaves or acorns poisonous to cattle, horses, sheep, and even goats, but not to pigs as they were domesticated from wild boar which were adapted to foraging in the oak forests, like deer. Acorns were also eaten by people in times of famine. The acorns were soaked in water first to leech out the bitter tannins and could then be made into flour.
Wood from the oak has a lower density than water (so it floats) but has a great strength and hardness, and is very resistant to insect and fungal attack because of its high tannin content. This made it perfect for shipbuilding.
Oak was often associated with the gods of thunder as it was often split by lightning, probably because an oak is often the tallest tree in the area. Oak was also the sacred wood burnt by the druids for their mid-summer sacrifice.
Damselflies are predators similar to dragonflies but are easily distinguishable by the way their wings fold back parallel to the body when at rest whereas the dragonflies' wings are fixed at a right angle to the body. The Damselfly has a much smaller body than a dragonfly which means it has less stamina for flight. Nevertheless, it can hover, in a stationary position, long enough to pluck spiders from their webs.
Male damselflies have two sets of genitalia. At the start of mating a packet of sperm (spermatophore) is transferred outside of the male's body between the two and then passed on to the female who uses it to fertilise her eggs as she lays them. Female damselflies lay their eggs inside vegetation. For some species this is in water plants and the female can swim underwater for half an hour before returning to the surface to breathe. Males often guard the egg laying female to prevent a rival male from sneaking in and replacing the spermatophore with his own.
Damselfly eggs hatch not into damselflies but water-living nymphs which look a bit like a dull-coloured damselfly with a 3-forked tail instead of wings. The tail is actually a set of gills used to breath underwater. When the larva is fully developed, it climbs out of the water on a stem or rock. Its skin then splits open and a damselfly emerges with wings which need to be inflated and dry before it can fly.
Some estimates suggest the UK has up to half of the world's total bluebell population; nowhere else in the world do they grow in such abundance. However, the poor bluebell faces a number of threats including climate change and hybridisation from garden plants. In the past, there has also been large-scale unsustainable removal of bulbs for sale although it is now a criminal offence to remove the bulbs of wild bluebells with a fine up to £5,000 per bulb!
During periods of cold weather, spring flowers, such as bluebells, have already started the process of growth by preparing leaves and flowers in underground bulbs during summer and autumn. They are then able to grow in the cold of winter, or early spring, by using these resources stored in their bulb. Once they have flowered, the leaves die off and the cycle begins again.
Other species (such as cow parsley or dandelions) require warm weather before they are able to germinate and grow. With the warmer springs induced by climate change, bluebells lose their "early start" advantage, and can be out-competed.
Because bluebells spread very slowly, they're considered to be an indicator of ancient woodland sites. In areas where trees are not very old, the fact there are bluebells around can indicate that there has been a wood on a site for a very long time. Even if there are no trees there at all, bluebells tell us that there was woodland there some time in the past. The bluebells along the coast are a relic of the gnarled oak woodland that used to grow here before it was cleared for grazing. There is still a patch of the ancient oak woodland left along the coast at Dizzard.
Some plant nutrients such as phosphorus tend to be more abundant near the surface of the soil where decaying organic matter collects. Bluebell seedlings start life at the surface so these are OK but as bluebell plants mature and send their roots deeper into the soil to avoid winter frosts, they have a phosphorus problem. They have solved this by partnering with a fungus that extends from their root cells, drawing in minerals from the soil in return for some carbohydrates from the plant.
Bluebells are extremely poisonous, containing a number of biologically-active compounds and were used (probably with varying success) in mediaeval medicine. The sap was used as a glue for book-binding as its toxicity repelled insects. It was also used to attach the fletchings onto arrows.
In Elizabethan times, starch made from the bulbs was used to stiffen collars and cuffs in clothing. The ruffs that were highly fashionable at the time would have needed a lot of starch to prevent them flopping. The toxins in bluebell sap might also have had the desirable property of preventing the starch encouraging the formation of mould.
In folklore, the bluebell is a symbol of constancy, presumably based on the fact that they flower in the same place every year. It was said that anyone who wears a bluebell is compelled to tell the truth. This could be the origin of the "…something blue…" that a bride should wear on her wedding day.
According to folklore, it's unlucky to bring bluebells into a house and also unlucky to walk through bluebells as it was thought that the little bells would ring and summon fairies and goblins.
In Old Cornish, both bluebells and marigolds were known as lesengoc which translates to "flower of the cuckoo". In Modern Cornish, the marigold has remained more-or-less the same but the bluebell has been changed to bleujenn an gog ("plant of the cuckoo"). The association between bluebells and cuckoos exists in Welsh ("bells of the cuckoo") and Gaelic ("cuckoo's shoe"), and in some English folk names such as Cuckoo's Boots and Cuckoo Stockings. It is thought that the association is due to the time that bluebells flower coinciding with the time that the call of the cuckoo is first heard.
Bluebells are also known by folk names based on their shape including Lady’s Nightcap and Witches’ Thimbles.
Other common names for the bluebell include "wild hyacinth" and "wood hyacinth" as they are related to the hyacinth family. Their Genus name Hyacinthoides also means "hyacinth-like".
When photographing bluebells, the flowers that look blue to your eye can end up looking purple in photos.
The first thing to check is that your camera isn't on auto white balance as the large amount of blue will cause the camera to shift the white balance towards reds to try to compensate.
Another thing to watch out for is that the camera's light metering will often over-expose the blue slightly to get a reasonable amount of red and green light and the "lost blue" can change the balance of the colours. You can get around this by deliberately under-exposing the photo (and checking there is no clipping if your camera has a histogram display) and then brightening it afterwards with editing software.
Bluebells are very vulnerable to trampling. The reason for this is that when their leaves emerge in the early part of the year, they are powered by the stored sugars in their bulbs. Sunlight is very limited at this time of the year and even more so in the shady places where they grow. In order to survive, they then need to photosynthesise flat-out to store enough starch in the bulb for next year's growth. If a bluebell’s leaves are crushed, it cannot photosynthesise and and doesn't have enough reserves left in its bulb to grow new ones. It's therefore important to stick to footpaths in bluebell woodland and best to take photos with a zoom lens from there as wandering around in the bluebells to take photos will inadvertently kill them.
A rare genetic mutation occurs in bluebells which results in about 1 bluebell in 10,000 being white rather than blue.
Three-cornered leeks - which have white bell-shaped flowers and are very common - are often misidentified as "white bluebells". The easiest way to tell them apart is that 3-cornered leeks smell strongly of onion. Their flower stems are also triangular (hence the name).
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