How to… Make Your Own Bird Nest Box

As our summer visitors, such as Swallows and Willow Warblers, leave us for sunnier shores, and we wait for our winter returnees, such as Redwings, the world outside our doors is slowing down and wildlife is preparing for the colder times to come. Autumn is a time for extraordinary spectacles, storing up food and changing colours, but also a time for us to do our bit, to help our wild neighbours with their preparations, and to prepare for a new year to come. This can range from cleaning ponds and putting out food, to planting trees and creating wood piles. It is also importantly a time to provide new homes for nature.

Previously, in spring/summer I posted on my blog about how to make a home for nature in the form of a bee hotel (see How to… Make Your Own Bee Hotel). A bee hotel is aimed at providing solitary bees (90% of UK bee species) with a place to nest, and for my blog I made a bee hotel that has now had some success. There are other forms of homes that we can make for wildlife though, for example for different species of bird.

In the UK, more than a quarter of all bird species are of the highest conservation concern, with a decline in breeding birds (44 million) between 1967 and 2009. This means that conserving and creating habitat for birds is an important issue, and something we can all get involved in. One example of an easy way is to put up nest boxes, which mimic natural habitat. They create an effective artificial cavity for birds, providing an accessible alternative for species that are currently experiencing the loss of breeding habitat and winter roosting sites.

Nest boxes come in a variety of shapes, sizes and designs, which will depend on the species of choice and the purpose they need to fulfill. Though you can put up a nest box at any time of year, the best time is right now, ready to be used as a roosting site throughout winter and for breeding in the spring. This way you can increase the chance of your nest box being a success next year. There are no set rules though, so why not try making your own today!

How to Make a Bird Nest Box

What you need:

  • A plank or offcuts of untreated wood, about 15mm thick for insulation
  • Tape measure & pencil
  • Hand or power saw
  • Drill & different sized drill bits
  • Sand paper
  • Hammer & nails
  • Screws
  • Sealant, a piece of rubber or something similar
  • Optional: Hole plate

Step by Step Guide:

  1. Decide on your nest box design. Your nest box will most likely be aimed at a certain species, such as Robins or House Sparrows. You can also choose particular design features, such as a flat or apex roof. For the purpose of this guide though, I will provide instructions to make a standard Tit nest box.
  1. Use a tape measure and pencil to mark out the wood you need, either by creating templates out of paper or cardboard, or by drawing straight onto the wood. For this design you will need 6 pieces: a back (45cm x 15cm); a base (11cm x 15cm); a front (21cm x 15cm); a roof (20cm x 15cm); and 2 side panels (25cm high at the back, 20cm high at the front, and 11cm wide). Use a hand or power saw to cut the wood into the 6 pieces needed.
  1. Next, take the front panel and use a wide drill bit to make a hole towards the top of the panel, at least 125mm up, which the birds will use to enter the nest box. The size of the hole will vary between different species, but for my nest box I made a 25mm hole, aimed at Blue Tits and similar Tit species.
  1. Use sand paper to sand down any rough or uneven edges of the wood, that otherwise could cause problems for birds using the box.
  1. Use a hammer and as many nails as you need to make the back, base, sides and front fit together forming the main body of the nest box. It is often best to mark where the nails will go first and partially drive each nail through the first piece of wood first (e.g. the back), which will make nailing the pieces together easier and help avoid splitting the wood.
  1. Attach the roof to the box using screws that you can later remove when needing to clean the nest box out. Seal the gap between the roof and the back of the nest box with either flexible sealant or an attached flap of recycled rubber.

Optional editions: Add a nest box hole plate to the front of the box to prevent predators from enlarging the nest box hole and larger bird species using the box. Also, you could apply a water-based wood preservative product to the outside of the box to prolong its life and help to repel water.

Tips on putting your nest box up

  • Unless there is shade during the day, position the nest box facing between north and east to avoid strong sunlight.
  • Choose a location which is 2-4 metres above ground level, out of reach of predators, and away from constant disturbance.
  • Make sure there is a clear flight path to the entrance of the nest box and that there is shelter from bad weather.
  • Place your box away from the location of any other nest boxes to reduce the chances of competition.
  • Avoid using nails to attach the box to a tree, as they may cause harm. Instead try to tie the box to the trunk or hang it, or otherwise use stainless steel screws or nails that do not rust.

Enjoy!

Spring 2020: In Photos

As the world was thrown into disarray with the full force of a pandemic, our daily lives were hit by lockdown, slowing and grounding to a halt. For the natural world outside our windows though, spring was just beginning, with days warming, buds bursting, and migrants making their return. Even when our own lives were being disrupted, the natural world was carrying on.

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For me, spring has been a real lifeline this year. With the natural world bursting with life, I was able to draw real strength from the return of the swallows, the flowering of the bluebells and the trees becoming cloaked in delicate new leaves. Every moment I could spend out in nature gave me the strength to continue as if nothing had changed, cherishing every moment for what it was. For this I am grateful, and I really appreciate that I am lucky to have the beautiful Dorset countryside right on my doorstep.

As spring begins to make its exit, I wanted to take some moments to reflect on a time that has taught me a lot, brought me some real magic through the natural world, and will be remembered for as many good memories as those eclipsed by Covid-19. To begin with, here are a selection of my favourite photos from this spring. They range from spring wonderment to heart-warming moments, that all mean something to me.

Spring 2020 in photos

1) Small Tortoiseshell Butterfly – The photo featured above was taken only last week, and reminds me of how valuable the time I spend expanding my knowledge of nature really is, including the identification of butterflies and flowers. I found this Small Tortoiseshell butterfly on a 10m long chalk mound that my parents have created for wildlife within our farmland, and it really is coming into its own this year!

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2) Bluebell & Spider – When the bluebells are flowering, it has to be one of my most favourite times of the year. As the woodland floor transforms to a carpet of blue purple, I feel at my happiest and enjoy noticing new details each year, such as the spider hunting on these drooping bells.

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3) Goldfinch – I love the simplicity of this photo of a Goldfinch taken back in March. The bright colours of the bird vividly stand out from the swelling buds and bare twigs of the hazel in this hedgerow. It was enough to brighten a moment on a decidedly chilly spring day.

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4) Stitchwort – Every flower is unique and different in its own way. With Greater Stitchwort, every flower stands out like a small white star, carpeting verges, hedgerows and woodlands alike.

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5) Dandelion Seeds – Now as an adult I still hold on to the child-like curiosity that a dandelion invokes. With hundreds of parachuting seeds waiting to fly, this dandelion creates a beautiful fluffy silhouette in the spring sunshine.

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6) Lleyn Lamb – This photo is as it seems, a photo of a sleepy newborn lamb, born earlier this year. I am proud to say that I come from a farming background in the heart of Dorset. It has been this that has provided me with a spectacular backdrop to learn about the natural world around me, given me the knowledge and experiences to be able to make informed decisions about how I live my life, and given me an understanding of the important relationship between the environment and modern agriculture.

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7) Wild Garlic & Insect – I love to notice the details in nature and get down to the level of the ‘small things’. This may be noticing the curl of an unfurling fern, the patterns on the petals of a tiny flower, or the jewel-like colours of an insect exploring a cluster of star-shaped wild garlic flowers.

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8) Sunrise – One of the best times of day has usually come and gone by the time most people have woken up in the morning. A sunrise is a golden time though to get out, listen to the birds singing and watch as the world wakes up around you. There is nothing like it!

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9) Dark Rabbit – One of my more unusual sightings this year has to be this rabbit, that has notably darker fur compared to the usual European rabbit. It was small in size, and though showing wild instincts, it was slightly less fearful of us humans. Everyday it could be found sunning itself in a small open area within vegetation situated behind our farm buildings.

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10) Moschatel – Every year I try and learn one new species of flowering plant that can be found in our woodlands and surrounding countryside. This year it was the turn of Moschatel. An often overlooked flower due to its greenish colour, Moschatel is also known as Townhall Clock, due to its flowers having 5 faces that make it look like a cube or townhall clock in shape.

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11) Chiffchaff – One of my highlights of spring every year is the return of the Chiffchaff. When I hear this bird sing for the first time each year, I feel like spring has truly arrived, so I am particularly saddened when their singing finally falls silent as autumn grips the landscape.

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12) Feather – This photo is a good example of the beauty of detail. It is simple, but a spot of light highlights the real elegance of this contour feather, now left to lay amongst the vegetation.

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13) Aberdeen Angus Calf – This inquisitive and interestingly marked calf is another photo that connects with my farming roots. Spring is synonymous with new life, from on the farm to the wider countryside, and this little one was just one of many, precious and to be celebrated.

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14) Spider & Hart’s-Tongue Fern – Some days I walk along in my own world and the wildlife around me merges into one. Other days the world becomes bigger though and I see every detail pop out at me, such as with this spider making its home on a Hart’s-Tongue fern.

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15) Fox Cub – As people who follow my blog or social media will already know, this spring I have had fun yet again using my camera trap on my family’s land. This has to be one of my favourite photos from this year! It was a totally unexpected surprise when this fox cub turned up on my camera trap.

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16) Vole Bones – With the return of breeding barn owls to my family’s farm, I had some fun one afternoon dissecting the pellets left by these owls. It is definitely a very rewarding feeling when you are then able to identify the species the bones you find come from. Here I believe this mandible to be from a bank vole.

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17) Field Rose – I have always loved taking photos of flowers and capturing their small details. Here a field rose, you can clearly see the reproductive organs from the stamens to the stigma.

Sable Island’s Birds vs. Invertebrates

The wonders of nature are endless – Walt Disney

When people think of Sable Island, they may think of a windswept island of sand, the island’s famous feral horses, or its involvement in maritime stories. More overlooked is Sable’s vibrant collection of fauna and flora, the latter having previously been touched upon in my ‘Guide to Sable Island’s habitats and plants’. When considering Sable’s fauna though, the most abundant can be split into its birds and its invertebrates.

Birds

Juvenile gull

Over Sable’s recorded history, at least 340 bird species have been observed on the island. These species span from American kestrel (Falco sparverius) to ruby-throated hummingbird (Archilochus colubris) to red-breasted nuthatch (Sitta canadensis), the last being one species I got to see myself this summer on Sable.

More than 45% of bird species that have been observed on Sable though, are termed as vagrants. This means that they have strayed from their usual range, for example arriving on the island due to being blown off course by strong winds during migration. As a result, I had the pleasure of seeing one iconic species during my stay this summer; a snowy owl (Nyctea scandiaca), floating like a ghost between the island’s dunes.

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Snowy Owl

Many species also use the island as a stopover site during their migration, for example waders, raptors and warblers. Regular migrant species include willet (Catoptrophorus semipalmatus), sooty shearwater (Puffinus griseus), grey-cheeked thrush (Catharus minimus) and:

Yellowlegs

Yellowlegs

Female American Golden Plover and sandpiper

Female American golden plover (Pluvialis dominica) (sandpiper in foreground)

Ruddy turnstone

Ruddy turnstone (Arenaria interpres)

Sanderling

Sanderling (Calidris alba)

Whimbrel

Whimbrel (Numenius phaeopus)

White-rumped sandpiper

White-rumped sandpiper (Calidris fuscicollis)

Of the 340+ species seen on Sable though, more than 30 have been recorded as breeding on the island. Regular breeders include:

  • Arctic tern (Sterna paradisaea)
  • Common tern (Sterna hirundo)
  • Roseate tern (Sterna dougallii)
  • Herring gull (Larus argentatus)
  • Great black-backed gull (Larus marinus)
  • Ipswich sparrow (Passerculus sandwichensis princeps)= endemic
    • Subspecies of Savannah sparrow and of conservation concern

Ipswich sparrow

  • Leach’s storm-petrel (Oceanodroma leucorhoa)
  • American black duck (Anas rubripes)
  • Mallard (Anas platyrhynchos)
  • Red-breasted merganser (Mergus serrator)
  • Northern pintail (Anas acuta)
  • Least sandpiper (Calidris minutilla)
  • Spotted sandpiper (Actitis macularia)

Juvenile spotted sandpiper

Invertebrates

In comparison to the 340+ bird species that have been recorded on Sable Island, 875+ invertebrate species have been identified on and in its marine proximity. Species include the monarch butterfly (Danaus plexippus), painted lady (Vanessa cardui), seven-spot ladybird (Coccinella septempunctata), and round-tipped cone-headed grasshopper (Neoconocephalus retusus).

Six spot ladybird

Seven-spot ladybird (Coccinella septempunctata)

Six spot ladybird larvae

Seven-spot ladybird larvae

Sable Island also has some endemic invertebrate species. These include the Sable Island leaf beetle (Pyrrhalta sablensis), the Sable Island sweat bee (Lasioglossum sablense)and three moth species (Agrotis arenariusOrgyia leucostigma sablensis and a Papaipema species).

Though I did not get enough time on Sable Island to delve too deeply into the world of the invertebrates, I did enjoy seeing new species and identifying the many caterpillars I saw, such as:

Apple sphinx moth caterpillar

Apple sphinx moth caterpillar (Sphinx gordius)

Virginian tiger moth caterpillar

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Two variants of Virginian tiger moth caterpillars (Spilosoma virginica)

Winter into spring: April on the farm

April is one of my favourite months of the year on the farm. During April, the Dorset countryside begins to burst into new life. Newborn lambs bounce in the fields, newborn calves snooze in the fields in the spring sunshine, birds begin to nest and raise a new generation, and flowers carpet the woodlands.

Plants this April still followed a trend of being late, with some woodlands not becoming decked out in their full splendour during this month like in past years. Still Bluebells, wild garlic, early purple orchids and late wood anemones began to coat the woodland floor. Also, the woodland ferns began to unfurl in the woods later than usual.

During this April, trees were very much still late, with sycamore and silver birch finally bursting into leaf. Oaks were noticeably asynchronous in their bud burst, with some trees on there way to being in full leaf and others yet to start.

April saw the main crop of migrants arriving on warm winds. This year our barn swallows returned on April 6th, exactly the same date as in 2015! By the time we were fully into April, bird breeding pairs had been firmly established, and the nesting season for many bird species was fully under way. During April, more birds can be heard singing at dawn than any other time of year, which is quite magical to hear.

This year the tawny owls are breeding later than last year, but by the end of April the first hissing calls of tawny owl fledglings could be heard resonating through Dorset woodlands.

Life could be seen blooming everywhere throughout April. Dog violets and cowslips, among other species, were seen flowering along roadside banks.

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Brimstone butterflies, orange tip butterflies, and peacock butterflies all began to emerge during the first half of April.

Throughout April, I made myself busy amongst the mounds university revision, by setting up my camera trap at different popular sites around our farmland. It was amazing to see the first badger cubs emerge from their den, and even more special to me, was being able to watch fox cubs beginning to explore above ground with their siblings, during the second half of the month. Fox cubs have to be my highlight of beautiful April!