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The Butterfly Summer

Posted on July 16, 2011 | 3 comments

Two weekends ago whilst walking through a meadow of long grass and wild flowers such as scabius, ragwort and bramble it was immediately noticeable that butterflies are now out in force. On several outings around Histon since then many species are frequenting the hedgerows and grasslands. The species which I think heralds the onset of the butterfly summer is the gatekeeper. It always seems to be the the one I see first in June/July and is rapidly followed by the other summer species:

The Gatekeeper – harbinger of sunny summer days

Holly blues were around in the spring months but have now disappeared in favour of species more associated with summer such as the common blue:

Common blue male. I think this is one of the best photographs I’ve ever taken – it’s a beautiful creature!

…and

A comma soaking up some intermittent morning sunshine perched on a cluster of oak leaves

I particularly like commas with their ragged edges and the rich colours of a young one are exquisitely juxtaposed against the green foliage of the oak leaves.

Small tortoiseshell, peacock and red admiral regularly abound on the flowers of a huge buddleia in my garden. And whilst I’m not averse to getting up really close to snap pictures there, it’s a bit like shooting fish in a barrel, it’s a tad more challenging to get good pictures out in the countryside on some of our indigenous wild flowers:

Small tortoioseshell feeding on nectar from field scabius flower, and

A red admiral

I spent 20 minutes lurking in the undergrowth waiting for this red admiral to open it’s wings and when I looked down amongt the nettles I was standing in it was festooned with caterpillars:

Peacocks before pupation – the ‘ugly duckling’

And after pupation – a spectacular metamorphosis (this one is on the buddleia in my garden, but I love the colours)

A notable absentee from the rollcall of butterflies is the painted lady which was here in good numbers last summer but I haven’t a single one yet. Despite that, lots of other species are out there too, such as speckled wood, brown argus, large and small white and small skipper. But more of those next time I post about butterflies.

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Posted in Butterflies, Countryside walks, Insects, Walks around Cambridge and Histon, Wildlife favourites

Tagged Aglais io, Aglais urticae, Aricia agestis, bramble, brown argus, buddleia, butterflies, butterfly bush, Cambridge, Celastrina argiolus, comma, common blue, field scabius, gatekeeper, histon, holly blue, large white, Lepidoptera, painted lady, Pararge aegeria, peacock, Pieris brassicae, Pieris rapae, Polygonia c.-album, Polyommatus icarus, Pyronia tithonus, ragwort, red admiral, small skipper, small tortooiseshell, small white, speckled wood, Thymelicus sylvestris, Vanessa atalanta, Vanessa cardui

Summer songbirds mainly, especially linnet

Posted on July 4, 2011 | 1 comment

The summer solstice was a couple of weeks ago, the weather is warm and sunny and the evenings are light until after 10pm. For the last week I’ve been heading out across the fields in all hours of daylight and the wildlife has changed significantly. Until a few weeks ago there was alot of bird activity around the nests and I could watch whitethroat and blackcap in the same place for several weeks before that.

Common whitethroat about to head for the nest

The birds are still around but they have dispersed and a tad more legwork is required to see the same species I was seeing 2-3 weeks ago. But now, the first broods of the next generation have all fledged and while my garden has played host to families of starling, great tit, and goldfinch – the fledglings easily distinguished from the adults by their lack of a crimson face – further afield, the hedgerows are thronged with linnet, whitethroat, reed bunting, corn bunting and yellowhammer.

An adult goldfinch and two fledglings on the niger seed feeder in my garden. The speckled brown and lack of a red face makes the youngsters easy to identify.

Another finch of which there are many adults and fledglings in the countryside are linnet. Linnet are one of my favourite birds for several reasons: they are delightful to look at with their cerise breast patches, they have a lovely song as they fly overhead and as long as I don’t do anything daft they will often sit tight and let me get really close to photograph them.

A cock linnet, underlit by the late evening sun, showing several diagnostic freatures including the cerise breast, grey head and pale grey grey cheekspot and the crimson spot on the forehead

Rather interestingly the taxonomic nomenclature is Carduelis cannabina, which approximately translates from the Latin as the ‘cannabis finch’! The linnets diet consists of small seeds so I imagine the name derives from the days when hemp was grown to make rope and they were seen in numbers feeding on the seeds.

There is a field of oil seed rape on the edge of Histon which I had always imagined to be devoid of wildlife but in the last few weeks families of linnet, reed bunting, greenfinch and whitethroat are regularly perched on top of the rape plants.

Greenfinch male in the middle of the rape field

The rape seed pods are full of small black seeds and if you squeeze one seed between your fingers there’s enough oil in it to make the ends of your thumb and forefinger really greasy, so it’s easy to see why rape is a lucrative crop and why it is a good energy source for songbirds.

Female linnet perched on top of a hawthorn tree at the edge of the rape field, she doesn’t have the cerise breast patches of the male, but lovely colours none the less

Linnet are migrant and resident breeders and passage and winter visitors. In the winter they can be seen in flocks of several hundred over farmland and often mingle with other finches. There conservation status is red due to population decline over the last forty years even though the European population numbers between 10 and 30 million pairs! Despite the overall numbers, along with a multitude of other bird species they are the victims of habitat destruction and the systemic use of herbicides which kill off their food supplies.

Cock linnet perched on top of an apple tree also on the edge of the rape field…

… and another one sitting on power lines. Look at the colour of that breast – they’re beautiful birds!

So if you can’t think of anything else to do this weekend and you feel like some gentle excercise and peace and quiet take a walk in the countryside and keep your eyes open for all the songbirds.

Many species of butterfly including large and small white, red admiral, small tortoiseshell, ringlet and small skippers were flapping lazily around the hedges on Guns Lane this morning, basking in the warm sunshine and I saw the first gatekeepers of the year today too:

A gatekeeper probing for nectar in ragwort flowers