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earthstar

~ a celebration of nature

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Category Archives: nature

Fish for lunch again?

25 Saturday Aug 2018

Posted by sconzani in birds, nature

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Tags

birding, birdwatching, British birds, little grebe, Little grebe chick, Little grebe feeding chick, Tachybaptus ruficollis

Last Saturday we had photos of a Great crested grebe feeding its youngster. Today I spent a delightful 20 minutes watching a Little Grebe (Tachybaptus ruficollis) catch and feed fish to its offspring. Here are some photos …

180825 Little grebes (1)

The adult Little grebe, on the left, is still in its summer/breeding plumage. I’m not sure if it’s a male or female as, from various websites I’ve checked, their plumage appears to be the same, and both parents share the incubation and care of their young. The little one was constantly peeping at its parent for food so the adult was diving in search of the small fish and aquatic invertebrates they like to eat.

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This is looking hopeful.

180825 Little grebes (3)

A not-so-small fish!

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The youngster waits not-so-patiently for its parent to subdue the fish.

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The handover.

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Waiting to see if the young one can/will swallow the fish or drop it.

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Still waiting …

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The little one is struggling with the size of the fish but, at this point, the parent has given up waiting and dived down to find more.

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One more big gulp and it’s down! I wonder how many fish it eats in a day.

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Bumble- or humble-bee?

24 Friday Aug 2018

Posted by sconzani in flowers, insects, nature, wildflowers

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Tags

bumblebee, bumblebee on flowers, Hemp agrimony, humblebee, knapweed, scabious

180824 bumblebee (1)

Bumble: verb; move or act in an awkward or confused manner (Oxford Dictionary).
Personally, I think it’s a bit sad that the beautiful bumblebee is associated with confusion and awkwardness of movement, though I admit they can seem rather stupid when they fly in the open windows of my apartment and then bump repeatedly against the glass trying to get out again. Most other insects seem able to work out where the open window is.

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When it comes to finding nourishment though, they seem perfectly able to home directly in on the next delicious flower. And I’ve recently discovered that the bumblebee wasn’t always so named – it was originally the humblebee, not because it was considered modest or lowly but rather because of the humming sound it makes as it flies along.

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Birding at Garwnant and Llwyn-on

23 Thursday Aug 2018

Posted by sconzani in birds, fungi, nature, walks

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Tags

birding, birdwatching, British birds, Crossbill, Garwnant Forestry, Glamorgan Bird Club, Llwyn-on reservoir

We birders of the Glamorgan Bird Club are tough: we don’t let almost constant drizzle put us off a good day’s birding. Heck, we even sit at picnic tables eating our lunch in the drizzle. As long as our optics (bins, ’scopes and cameras) aren’t getting damaged by the wet, we carry on.

180823 birding at Garwnant (1)

And it was certainly worth carrying on ’cause we enjoyed a magnificent day’s birding. We started off with a walk around the trails at Garwnant Forestry in the morning and followed that with a walk through the woodland to check out Llwyn-on reservoir in the afternoon.

180823 birding at Garwnant (2)

I notched up my 187th bird species for the year with the several Crossbills we spotted and heard in various locations along the forestry tracks, and we also enjoyed good sightings of Willow tits and Willow warblers, Tree pipits and Treecreepers, and more than a few Spotted flycatchers flitting in and out from the trees and shrubs in their constant search for the perfect fly snack.

180823 birding at Garwnant (3)

Crossing the Llwyn-on feeder stream after lunch, I earned some brownie points for spotting a Dipper splashing about upstream, and the Spot flies were also active along the river bank there.

180823 birding at Garwnant (4)

As we walked through the woodland at the northern end of Llwyn-on reservoir, we were amazed and delighted by the sight of thousands of tiny mushrooms (probably one of the Mycena species) growing under the conifers, as well as several large groups of False chanterelles. I even had the birders sniffing at a white mushroom to teach them why it’s called The Miller – ‘It smells of dough/flour’, they correctly said.

180823 birding at Garwnant (5)

At the reservoir we marvelled at the magical sight of over 200 House martins feeding on insects above the shallow water – luckily for the birds, the reservoir is beginning to fill again after our recent drought. And the perfect finish to a wonderful day came with the cheery sight of 3 Yellow wagtails grazing together with, perhaps, 16 Pied wagtails in the grass at the water’s edge.

180823 birding at Garwnant (6)

One of the many small streams in the area

Here’s my sightings list for the day: Blackcap, Blue Tit, Bullfinch, Buzzard, Carrion Crow, Chaffinch, Chiffchaff, Coal Tit, Cormorant, Crossbill, Dipper, Goldcrest, Goldfinch, Great Crested Grebe, Great Tit, Grey Heron, Grey Wagtail, House Martin, Jay, Lesser Black-backed Gull, Long-tailed Tit, Nuthatch, Pied Wagtail, Raven, Reed Bunting, Robin, Spotted Flycatcher, Swallow, Tree Pipit, Treecreeper, Willow Tit, Willow Warbler, Woodpigeon, Wren, and Yellow Wagtail. Also seen or heard, but not by me, were Blackbird, Great spotted woodpecker, Lesser redpoll, Sand martin and Siskin – well, I might’ve heard the Siskin but I’m not entirely sure.

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Holly blues, the second generation

22 Wednesday Aug 2018

Posted by sconzani in insects, nature

≈ 1 Comment

Tags

British butterflies, butterflies, butterfly, Celastrina argiolus, Holly blue, Holly blue butterfly

I blogged about the Holly blue butterfly (Celastrina argiolus) back in May but I’ve since read some really interesting info about this lovely little butterfly and have some new photos to share as well.

180822 Holly blue (2)

My information comes from the book I’m currently reading, which I highly recommend – it’s Wonderland: A year of Britain’s wildlife day by day by Brett Westwood and Stephen Moss. The entry from 13 August is about the Holly blue and answered a query I had about why I’ve recently been seeing so many Holly blues on Ivy plants rather than on Holly.

180822 Holly blue female

It turns out the Holly blue has two generations per year: as their name suggests, the females from the first generation lay their eggs on Holly plants and that’s what the first generation of caterpillars munch on. Then, once those caterpillars have pupated, they emerge as butterflies from around mid July, and the females from that second generation lay their eggs on Ivy, as that’s what the second generation caterpillars eat.

180822 Holly blue (1)

I’ve also been wondering why I seem to be seeing so many more Holly blues this year and Wonderland has the answer to that too:

These fluctuations [in population], over a cycle of five or six years or so, are caused by a small parasitic wasp called Listrodomus, which injects the caterpillars with a long sting-like ovipositor. The Listrodomus grub lives inside the caterpillar, but keeps it alive long enough to allow it to pupate, emerging later from the chrysalis. As wasp populations increase, they reduce the Holly blues. Fewer butterflies mean fewer opportunities for the wasps and so, in turn, wasp numbers fall too. This allows the butterflies to build up again, and that’s why over a span of several years our sightings of Holly blues go up and down.

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Descrying dragons

21 Tuesday Aug 2018

Posted by sconzani in insects, nature

≈ 3 Comments

Tags

Black-tailed skimmer, British dragonflies, Common Darter, Cosmeston Lakes Country Park, dragonflies, Emperor dragonfly, Lavernock Nature Reserve, Migrant hawker

I’ve not seen a huge number of dragonflies this summer, possibly because of the heatwave, which has seen water levels shrink to record lows and the pond at Lavernock Nature Reserve dry up altogether. Luckily, not all dragonflies spend their adult lives in close proximity to water so I have enjoyed some close encounters along field edges and pathways. Here are a few of those recent dragons.

180821 migrant hawker (1)
180821 migrant hawker (2)

These two are both Migrant hawkers; one was near the pond at Lavernock before it dried up completely, the other was just hanging around on vegetation beside the south Wales coastal path, a good choice as there are always an abundance of flying insects along the path’s hedgerows.

180821 emperor

This Emperor was hawking low over the tall wildflowers and grasses in one of the paddocks at Cosmeston. I had to wait quite a while for it to settle, then creep up very slowly and silently to get this photo, but it was worth the wait.

180821 Common darter male
180821 Common darter female

180821 Common darters mating

Last year at this time Cosmeston Lakes Country Park seemed to be swarming with Common darters – they sat like mini sculptures on every gate and fencepost, and there were so many sitting warming themselves on every piece of stone along the pathways that you had to be careful not to step on them. This year I’ve seen very few so it was a delight first to see this male (the red) and female in one paddock and then to spot the mating pair in another field. Let’s hope they return in numbers next year.

180821 black-tailed skimmers

Those Common darters weren’t the only mating dragonflies I almost disturbed at Cosmeston this week, as my stomping carelessly along the path homeward caused these two Black-tailed skimmers to fly up and away. Luckily, they didn’t fly far and I was able to get my camera out and take a few photos before leaving them to carry on their sterling efforts.

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Common purple & gold

20 Monday Aug 2018

Posted by sconzani in insects, nature

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British moths, Common purple & gold, Cosmeston, Cosmeston Lakes Country Park, moth, moths, Pyrausta purpuralis, UK moths

Every step I take across the west paddock at Cosmeston seems to send at least two tiny beige-looking insects flicking off in different directions in front of me. At first, I think they might be grasshoppers or crickets, springing quickly out of the way of my trampling feet but no – these creatures are not making straight leaps, they are fluttering and flying. They’re not easy to follow – as soon as they touch the ground they seem to disappear so I have to focus intently to follow each flight and then approach very slowly to discover what they are.

180820 Pyrausta purpuralis (1)

It turns out they’re not beige at all – they’re a quite striking combination of maroon and yellow, hence their common name, Common purple & gold. This is Pyrausta purpuralis, not to be confused with Pyrausta aurata, a very similar moth of the same family (see more here).

180820 Pyrausta purpuralis (4)
180820 Pyrausta purpuralis (5)

180820 Pyrausta purpuralis (2)

With a wingspan of just 20mm, this moth really is tiny but it’s relatively common throughout Britain, particularly on chalky downs and dry grasslands. The moths I’m seeing now in such abundance are the second brood of the year and fly, both during the day and at night, from July to August. I saw their parents during May and June, though they didn’t seem as plentiful. Perhaps this is a moth species that has enjoyed our hot dry weather this summer.

180820 Pyrausta purpuralis (3)

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Patterns in Nature, 6

19 Sunday Aug 2018

Posted by sconzani in flowers, nature, plants, wildflowers

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Tags

circles, circles in nature, nature's patterns, patterns in nature

The circle is ‘the first, simplest and most perfect form’
~ Proclus Lycaeus, philosopher of ancient Greece

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Lunch … mmmmmm!

18 Saturday Aug 2018

Posted by sconzani in birds, nature

≈ 4 Comments

Tags

bird with fish, birding, birdwatching, Black-headed gull, British birds, Great Crested Grebe, grebe with fish, juvenile Great crested grebe

Raw fish might not be everyone’s idea of a tasty lunch but it’s the staple diet for this juvenile Great crested grebe.

180818 great crested grebe (1)

And here it comes now …

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‘Thanks, Mum.’

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‘It’s a slippery sucker.’

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‘It’s a bit big, Mum. I’m not sure how to eat this thing.’

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‘Ooops, almost dropped it.’

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Seeing the young one struggling to down its lunch, a Black-headed gull swoops in to try to steal the fish. Both grebes dive immediately.

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‘Where’d they go?’

180818 great crested grebe (8)

Seconds later, the gull flies off, Mum and junior both surface, and Mum’s come up with the second course.

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This is one contented-looking Great crested grebe!

180818 great crested grebe (11)

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On the umbel

17 Friday Aug 2018

Posted by sconzani in insects, nature, plants, wildflowers

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Tags

#FloralFriday, British insects, British wildflowers, insects on umbellifers, umbellifer

180817 umbellifers

Be it ever so umbel, there’s no place …
better to enjoy a snack of nectar and pollen.

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Bugs are like buses

16 Thursday Aug 2018

Posted by sconzani in insects, nature

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Tags

British bugs, Coreus marginatus, Cosmeston Lakes Country Park, Dock bug

I hadn’t seen any Dock bugs (Coreus marginatus) for a couple of months and then suddenly, at Cosmeston the other day, I saw 11 on one plant!

180816 dock bugs (3)

Now that I’ve read up on them, I understand the sightings gap: it seems adults mate and lay their eggs in the springtime, the nymphs munch away on dock and their other favourite plants for a couple of months and, by August, they have developed into new adults. And here they are …

180816 dock bugs (5)
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About me

sconzani

sconzani

I'm a writer and photographer; researcher and blogger; birder and nature lover; countryside rambler and city strider; volunteer and biodiversity recorder.

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