No booming Bittern but …

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A 10 minute walk to my nearest train station; a 15 minute train ride to central Cardiff; an 8 minute walk to the correct bus stop; a 20 minute bus ride; a 10 minute walk to Parc Tredelerch (plus some waiting time in between those various journeys) and all in the hope of hearing a Bittern booming out its love call from the reedbeds. Did it boom? No, it did not. But the sun was shining, I got plenty of exercise walking around and round the various trails in the park, and, a beautiful bonus, I saw my first Comma butterfly for 2026.

And wouldn’t you know it? That darn Bittern boomed again early the following morning. It obviously didn’t like the look of me!

Danish scurvygrass

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As you might guess from the name, the leaves of both Common scurvygrass (Cochlearia officinalis) and Danish scurvygrass (C. danica) are high in vitamin C and so were used in the days of sailing ships to combat the danger to seamen of suffering from scurvy due to a lack of citrus fruit in their diets.

As far as I’m aware, I’ve never seen Common scurvygrass, which grows in saltmarshes, on cliffs and in sand dunes, but the Danish variety is locally very common, especially along the edges of our busier roads and motorways, where the salt used to clear the roads of ice and snow during the winter months provides the plants with the salt they would usually enjoy when growing close to the sea.

I found the plants shown here growing along the edge of the footways on either side of the four traffic lanes on the A4232 Cardiff Bay Link Road, on the bridge that carries vehicles across the River Taff where the river flows in to Cardiff Bay. The bridge must be about 7 metres (23 feet) above the water (it has a navigable clearance height of around 5.3 metres [17.4 feet]) so it’s fairly safe to assume the seeds of the Danish scurvygrass arrived on the bridge by being blown along by passing traffic.

It’s also fairly safe to assume that the council doesn’t clean the footways very often as enough soil/mud has accumulated for the scurvygrass (and other plants) to grow in. It’s an attractive little plant, its pretty white flowers and glossy green leaves much more pleasant to look at than the rubbish that also collects along the road and footways.

Four weeks early

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Last Monday, 2 March, I was delighted but also rather astounded to see my first Speckled wood butterfly for 2026 – astounded because this is four weeks earlier than I saw the first of this species in 2024 and 2025. This is nowhere near a UK record though, as the first sighting I found on iRecord was reported at Old Colwyn, in Denbighshire, on 21 February, and there are two other February records in the system: in Cornwall on 22 February and in north Essex on the 25th. The second of March was obviously a warm day across Britain as mine was one of several sightings recorded from various locations on that day. (Of course, these are only the sightings that have been recorded; other Speckled wood butterflies may have been seen but most people don’t record their sightings.)

Three shieldbug species

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The number and variety of invertebrates that are now out and about is gradually increasing, though seeing them depends on reasonably warm, sunny days, which are still very much intermittent here in south Wales. When the sun does shine though, shieldbugs can be seen basking on the trees of shrubs and wildflowers, and I’ve now managed to spot these three different species.

Hairy shieldbug (Dolycoris baccarum)

Hawthorn shieldbug (Acanthosoma haemorrhoidale)

And Green shieldbug (sometimes called Common green shieldbug, Palomena prasina). Both of the above are Green shieldbugs but this species changes to a bronze colour before winter hibernation and takes a little time to change back to its usual green hue come the spring.

Toad spawn

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Last Wednesday, 25 February, I made my first visit to Cosmeston Lakes Country Park in a couple of weeks and, while I was there, I checked out the dipping pond, thinking I might find frogs and/or frog spawn.

Instead, I found toads, tens, maybe hundreds of toads, writhing and slithering, males gripping on to the backs of females in their annual orgy to ensure the survival of their species; females clinging to pieces of vegetation as they exuded from their bodies the long strings of eggs that in 10 to 12 days will produce miniscule tadpoles … unless hungry birds get to them first.

Yet, even if the birds do find themselves a feast, toads produces so many eggs that I’m fairly positive that if I visit this same pond around the same time next year, the toads will be back and doing it all over again.

Hoverflies and bumblebees

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As the day and night temperatures begin to rise and we start to enjoy occasional sunny days, the number of flying insects continues to rise. Spring has only just begun but I’ve already logged two species of bumblebee and three hoverfly species on the wing. They are …

The hoverflies: Eristalis pertinax, Episyrphus balteatus and Meliscaeva auricollis

The bumbles: Buff-tailed bumblebee and Common carder.

Little gull

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Yesterday’s post about Siskin was the last from my recent mini break in Weymouth (though I have already booked a return visit in a couple of weeks). Luckily for me, no rare birds turned up in my home area while I was away; miraculously, the first, this Little gull, arrived the very next morning (Saturday 21 February). And it’s been present every day since, so I’ve managed to see it, albeit distantly, several times now, which has been good practice for my birding skills, picking out a single small gull among several hundred, mostly Black-headed gulls.

This year’s Little gull (Hydrocoloeus minutus) is a 2nd winter 3CY bird. If you don’t speak ‘birder’, that means the bird has just lived through its second winter, which means it was born in the summer of 2024, and, as it’s now 2026, is in its third calendar year. I am not experienced enough to have worked that out for myself but our local experts can tell from looking at the bird’s plumage. There is a very detailed description of the precise details on the Gull Research website but, in summary, at this stage the bird looks quite similar to an adult Little gull but still has some black feathers towards the tips of some of its upper wings.

During last Monday’s walk around part of Cardiff Bay, the wind was blasting across the water from a westerly direction. That didn’t make for very pleasant walking, or birding, as my eyes stream in the cold wind, but the weather did have one good point – it pushed many of the gulls closer to the Barrage pathway, which is how I managed to get these few photos, before the heavy rain came in and saw me stomping quickly homeward.

A tree full of Siskin

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The RSPB Radipole Nature Reserve in Weymouth was quite disappointing for wildlife during my recent visit, except for the presence of a large flock of Siskin (Carduelis spinus), their distinctive happy chattering audible from quite some distance along the path. (If you’re not familiar with their call, the RSPB website has a sound file you can listen to, though be aware that I could hear a Blackbird singing in the background, as well.)

Siskin are traditionally found in coniferous woodland but I’ve noticed that, especially in the winter months, they can be found wherever there’s an abundance of Alder trees, as they seem to love using their sharp beaks to prise open the cones to extract the tasty nutritious seeds.

I was interested to note in Fauna Britannica that two of their several vernacular names are black-headed thistlefinch (though I’ve never seen them eating thistle seeds) and tea leaves (sadly there’s no explanation given for the origin of this Cheshire name, which seems quite extraordinary).

Up they pop

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Happy Spring to those of you in the northern hemisphere, and what better way to celebrate the passing of winter than with an iconic spring flower!

Colt’s-foot (Tussilago farfara) is a member of the Asteraceae, the family of daisies and dandelions. It flowers most commonly appear in March and April, though can sometimes be seen as early as January; I spotted these flowers on Thursday, 26 February, which is about usual hereabouts. The colt’s-foot-shaped leaves won’t appear above ground until much later, perhaps in April or May.

After a long wet winter, these little droplets of golden yellow are a very cheering sight when they emerge, and it would be very easy to take just a cursory glance, smile and move one. If you take a moment to look closer though, they are very interesting little plants, with stems covered in white woolly fibres and an abundance of sepals that are a very pale maroon with green stripes up their centres.

The centres of the flowers are surrounded by petals that are fine and delicate but plentiful and, as they age, the flowers develop a soft reddish tinge that looks to my fanciful eye a bit like the colour of a setting sun, though, in this case, on the ground rather than in the sky.

A Shelduck or two

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I’ve blogged about our local Shelducks (Tadorna tadorna) before, in How many Shelducks?, 9 October 2019 and Hoovering Shelduck, 25 February 2025. They’re stunning waterfowl that look a bit like a cross between a duck and a goose, coloured by an enthusiast child with bright paints and a vivid imagination.

It’s only occasionally that I manage close views of them, as the Cardiff Bay birds spend most of their local visiting time on the distant mud flats between the Barrage and the Bristol Channel, so I appreciate all the more the times when I can sit on a bench and watch them going about their day, as happened last week at RSPB Lodmoor.