Showing posts with label swallowtail. Show all posts
Showing posts with label swallowtail. Show all posts

Wednesday, 12 April 2017

Once More Onto The Beach, Dear Friends


Back in the middle of November last year we began our Descent into the Milonas Valley and here we are in the middle of April rapidly approaching the sea. Back then we were accompanied by Red Admiral and Painted Lady butterflies and now the Old World Swallowtails have joined us. I saw the first ones at the end of March and like the poppies that we saw last week they are now appearing about a month later than in 2006. A similar trend can be seen with the first swallows although the swifts are much the same as they were then. Only the vine leaves seem to be bucking the trend; they are now appearing about a month earlier. As we were discussing last week, the seasons are going out of synch.

No matter, we will enjoy the spring while there is still a spring to be enjoyed and I see that the Silver Wattle is now bursting into golden globes of flower. This shrubby tree, which is also known as Mimosa, was originally a native of Australia but has been widely introduced into the Mediterranean and is pretty well naturalised here in Crete. Apparently these are traditionally given on International Women’s Day in Italy and a few other European countries. Seeing as that was on March 8th I can only presume that it flowers earlier up there – or it did when the tradition began.



The stream is now placidly flowing between banks of vegetation: great tall reeds and the pungent tree spurge are on the opposite bank while over here straggly asters are poking through the lesser reeds and grasses. I see that we have a flower chafer taking a rest in the sun on this one. These are big, bumbling beetles which emerge in considerable numbers in the spring months and give rise to various stories in folklore. Their relatives are known as May bugs or June beetles in the UK.





Here’s an interesting little critter; it’s a Grove Snail and the interesting thing about these are that they come in many guises, from pale and almost unmarked like this one to bright yellow with chocolate bands. The one thing that they all have in common is the brown, slightly protuberant lip at the base of the shell. Snails with different patterns are called ‘morphs’ (having more than one appearance in nature is known as polymorphism) and which morph is prevalent in an area is determined partly by the genetic make-up and partly down to the preferences of their predators (who tend to go for the commonest morph as being tried and tested as it were).

Here we are at the end of the vegetation; a sprawling tamarisk and then the beach. There’s also a lentisc bush with a nice orb web stretched across it and the architect has just spotted us. It has run along the top anchor line and taken refuge under a leaf. You may wonder how they get that first anchor line, which may be metres long, into place. The answer, as Bob Dylan observed, is blowin’ in the wind. The spider produces a very thin line of silk and just lets it drift. When it snags on a distant piece of vegetation the spider feels the vibrations and reels it in until it’s taut. It then runs back and forth along the line, like a demented tightrope walker, laying strengthening lines until it has a cable strong enough to support the rest of the web (the construction of which we discussed in The Incredible Shrinking Safari).

The Extra Bit

And so we reach the end of the Milonas Valley having followed the stream from its origins in the Thriptis mountains all the way down here to Ferma Bay. Would you believe it? Even down here on the beach we still have tadpoes. I don’t give much for their chances of survival but toads are r-strategists like last week’s kestrel and produce far more offspring than could ever hope to survive. Might make a nice lunch for that Little Ringed Plover though. Talking of lunch there’s a nice little taverna by the beach - a drop of ouzo and a few mezedes would go down a treat in the spring sunshine.



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LINKS:
Share your nature thoughts, photos and comments on Naturalists (the facebook page that accompanies this blog)
See detailed pictures on Flickr
Read more about the flora and flora of the island in The Nature of Crete (Flipboard Magazine)



Wednesday, 15 April 2015

Along the Ardefsi


After last week’s somewhat arduous trek, both physically from the top to bottom of the Milonas valley and mentally through the annals of evolution, I thought we’d reward ourselves this week with a quiet walk along an ardefsi. To be more precise an ardefsi kanali or, in English, a less poetic sounding irrigation canal. These little concrete canals were built to take water from the hills and mountains to the farmlands below but nowadays have fallen into disuse, replaced by ubiquitous black plastic pipes that snake their way across the landscape like so much spaghetti negro. In truth, they are not too obtrusive as they soon get covered with a layer of brown dust and begin to blend in. So with the sun shining across a millpond like sea, the sky turning a shade of cornflower blue and the first Swifts of the year wheeling overhead and uttering their shrill squeaks of delight let us sally forth along the ardefsi and see where it leads us.

Cistus, Star Clover and Pimpernel
The swifts? Yes they usually appear at any time from mid March to the end of April along this part of the coast. Last year I didn’t see them until the end of May which either means that they were delayed or I was being unobservant, both of which are possible. But what have we here? See how the ardefsi has filled up with earth over the years providing a microhabitat for some of our smaller flowers. Shielded by the ridge behind and in the lee of the pink flowering cistus bush we have some Star Clover (those of you with long memories will remember that we found this and other clovers last Spring out at Bramiana Reservoir) and some Scarlet Pimpernels. Yes, I know that they are blue but if you’ve read Baroness Orczy’s novel of the same name you will recall that Sir Percy Blakeney, the eponymous hero of the story, was a master of disguise. There are three forms of this flower: orange, red and blue. Personally I have only seen the orange and blue forms out here, never the red. I seek it here, I seek it there, …that demned elusive Pimpernel. Sorry, getting a bit carried away there.


Robber Flies mating on a fallen Pine
It would seem that our path is not going to be as easy as we thought. We’ve already had to clamber up and down the hillside a couple of times to avoid dense shrubbery and now a fallen pine tree is blocking our way. However, fallen trees are always good for a find or two and this one I see is providing a marital bed for a pair of Robber Flies. Now this is interesting: Fauna Europea only lists one species of Robber Fly out here, Cerdistus creticus, which we had the pleasure of meeting whilst walking round The Bottomless Lake of Agios Nikolaos but these look slightly different. We’ll send some pictures off to a few experts and see what they make of them. Now, do we go over, under or round? Over I think.

Longhorn Beetle among the Yellow Asphodels
The fallen tree seems to have presaged a slight descent around a pine cloaked valley which will give us a bit of welcome shade. It really is getting quite hot today. Is it my imagination or is that stretch of our canal opposite us going uphill? Never underestimate the powers of Greek geometry. I see we still have some of our old friends the Yellow Asphodels in flower down here in the cool depths although most of them are now setting seed and looking like stalks of tiny Golden Delicious apples. A couple of weeks back on our walk to The Chamomile Lawn we found the dying flowers full of Orange Blossom Bugs but today we have a new visitor, a beautiful little Longhorn Beetle that goes by the name of Agapanthia. Just look at those magnificent black and white banded antennae.

Quaking Grass and Swallowtail Butterfly
With the valley dropping far away below us the ardefsi seems to be making a loop around the head of it. I wonder if we can peer over the edge? Wow! Another vertiginous chasm, we must find a way down into it at some point in the future, make a note will you? The rock face opposite looks quite damp, there may well be pools at the bottom teeming with interesting discoveries. But that’s for another day, let’s go and sit on the ardefsi and just soak in the sights, sounds and smells that surround us. There’s a beautiful warm breeze coming over from Africa and we’ve all the time in the world to relax and take it all in. This part of the ardefsi is full of little Quaking Grass, nodding their heads in approval of the Spring Sunshine and look, the first Swallowtail butterfly of the year and I do believe I saw a Clouded Yellow earlier, flitting through the pine trees like a slice of lemon on the wing. Ahh! Let’s just stay here in this idyllic spot all week shall we?



Until next week – happy hunting.




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LINKS:

Naturalists (the facebook page that accompanies this blog)

Flowers of Crete;

BIRDS OF CRETE

Crete Birding

Greek Butterflies and Moths

Aquaworld Aquarium

Visit Greece (National Government Tourist Office)


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