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Our committee have been sharing some striking photos recently.
Buddleia is proving to be a magnet for the Hummingbird Hawk moth this summer as the hot weather is bringing them out in great numbers. To hear their whirring wings and see them swoop in and out of the flower tips is a true pleasure. The Buff-Tip Moth caterpillar is a master of disguise on twigs and resting after a moth trap reveal. And then we have a host of dark green caterpillars with yellow stripes that fell out of Andrew's trees and we're not sure what they are. Any idea? Send us an email! Inés has booked the New Vic in Tisbury so that she can show you how to use MammalWeb confidently.
We will demonstrate how to become a wildlife spotter in MammalWeb for the National Hedgehog Monitoring Programme so volunteers can help us classify the pictures taken with 30 cameras over 30 days in the last 2 summers around Tisbury. Free entry, members and non-members welcome. Please bring a notebook and pen, and if you can, your fully charged laptop or tablet. If you only have a desktop computer you can also come and take notes but we won't be able to troubleshoot you. Please, if you can, go and create an account on MammalWeb ahead of this event by following this link https://www.mammalweb.org/en/register (take note of your login details and bring them with you on the day). If you can't create an account, we will help you do this on the event but you will need access to your email inbox, so if your device (tablet or laptop) does not automatically remember the login password, please also bring a slip of paper with the details to access your email provider. There is internet access at the hall. I'm glad that we can see the photos from more sophisticated set-ups because it was a little underwhelming without the gear. I used the method of back to the sun, video on selfie mode on a mobile phone. The birds kept singing and there was no sense of darkness or was I in a parallel universe?
Here are the superior photographs from Andrew Carter, taken near Pam's Path. Andrew has explained how he achieved them: "After fiddling about with my very standard camera, I went back to basics to shut out the sun's light. I experimented on Manual, F11, 1/5000, infinity focus by manually focussing on the most distant horizon I could find, then finally going towards full zoom(176mm), ISO set to 125 and looked at the display not directly through the lens." Thank you, Andrew, we greatly appreciate your record of this total solar eclipse in action. Our Young Nature Watch members may be around for the next total eclipse viewable in the UK in 64 years' time. Of course, you can join the eclipse chasers and travel around the world to view another one elsewhere... Last month I mentioned the Painted Lady, a particularly attractive and interesting butterfly that you may have spotted on your buddleia. This is one of the Vanessid family of butterflies, which also includes Red Admiral, Peacock, Large and Small Tortoiseshells and the Comma. The Painted Lady is the same size as the more commonly seen Red Admiral butterfly, and like that species it is a migrant which does not survive the winter in the UK. It is a strong flier and can hurtle around in warm weather making it hard to get a good look at its markings. But if you are able to study a fresh individual busy nectaring on a flower, you will see a deep orange/pink background colour, patterned with black blotches and spots and black wing-tip dotted with white. If the sun goes in, and the butterfly closes its wings, their undersides are revealed. These are even more beautiful with, as well as a bold pink band with black and white highlights on the forewing, a complicated pattern of varied buff shades separated by veins to create a subtle stained-glass effect on the hind wing. This is then complemented by a series of small blue “eyes” on the rear edge.
As a long-distance migrant that spreads northwards across Europe from North Africa, the numbers we see each year can fluctuate wildly. This spring saw good numbers and some think that this may turn out to be the best Painted Lady summer since 2009, when an estimated 11 million of them reached the UK. While in this part of the country it doesn’t yet appear to be a bumper year, there are still plenty around. What has struck me is the number of individuals that I have come across which are significantly smaller than usual – about the size of a Small Tortoiseshell. It’s possible that this is a result of the heatwaves earlier in the year. This might have caused the larvae to pupate more quickly than usual, preventing development to full size. I think it unlikely that lack of larval food plant is the cause, as the thistles that they favour are so common and widespread. The small Painted Ladies I have seen have still seemed to be strong fliers so it may not affect the ability of the species to continue its northward spread. The butterfly has been recorded in most parts of the UK and, in good years, gets as far north as the Shetland Islands. As one of only a small handful of butterflies recorded there, it must bring an exotic touch of north African colour as it powers across the rugged hills and moors. Towards the end of summer, the reverse migration will begin. By a series of migrations across multiple generations, the species will head back to North Africa, from where it originated, with each generation contributing to the overall journey. The ability to fly at up to 30 mph and at over 500 feet helps it to cover large distances, to complete this incredible migratory voyage. Andrew Graham |
Photo: Avocets (Izzy Fry)
The headers display photos taken by our members. Do get in touch via the Contact Form if you'd like to submit a photo for selection.
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