Routes To Success at New Ferry Butterfly Park

Wirral Metropolitan College runs a `Routes To Success’ programme for young adults not in employment, education or training, to help them prepare for these. Group members visited New Ferry Butterfly Park for three mornings in November 2022 to January 2023.

Bramble before the group got to work

After the bramble clearance

Large bramble roots dug out

They did some hard work clearing bramble from part of the upper level, which had got overgrown when Covid disrupted our volunteer work. Some of them enjoyed digging out the large roots! They also cleared in front of the perching wall, coppiced two large buddleias and the rose by the Pupa artwork, and had a go at digging out the sycamore root by the Pupa. We’ve been trying to get rid of that sycamore for years!

Coppicing buddleia

Coppicing the rose by the Pupa artwork

The final session was with some snow still around, so was mostly spent clearing the brash from the previous monthly workday, when hedge-laying had been in progress. However two young men were able to have a go with a saw, under the careful supervision of Steve, to remove ivy-grown hawthorn from round the industrial history notice board, which we hope to replace shortly. And one young lady found out she really could push a wheelbarrow!

Clearing brash in the snow

Using a polesaw to remove hawthorn and ivy near the noticeboard

Success at removing the hawthorn

Developing wheelbarrow skills!

Thank you to the young adults involved, to Ian and his staff for bringing the group, and to Steve, Pete and Hilary who led the activities.

A Tribute to Margaret Gilmour

Margaret Gilmour, and her husband Jim,
were presented with the Eric Thurston Award in 2010. 

We regret to report that Mrs Margaret Gilmour died in December 2022, aged 90. Margaret was one of the original committee members of Wirral Wildlife, then known as Wirral Group of the Cheshire Conservation Trust. The original committee consisted of Chairman Major Frank White, Margaret Gilmour, Henry Larsen, Nora MacMillan (Mrs Mac), David Mills, Jane Ratcliffe, Richard Smith and Graham Taylor. The first meeting was at Bebington Oval on 7th April 1971.

Margaret served on the committee for over 10 years, then went on to become one of the stalwarts of our biological recording team, doing botanical surveys in great detail. Among other sites, she surveyed Royal Liverpool Golf Course and Caldy Hill, sites which our team has re-done this year, enabling us to look at change over several decades. Mathilde, herself one of our (retired) expert volunteers, wrote `I remember many surveys we did together, although she was the one who could be fully relied upon that the IDs were all correct!  She was so knowledgeable but modest with it and revealing a great love for nature.’ 

Margaret was awarded the Eric Thurston Award for volunteer work with Cheshire Wildlife Trust in 2010. Her husband Jim (secretary of Wirral Wildlife committee for 16 years) was given the award at the same time.

Margaret also was active in forming and supporting the Friends of Gilroy Nature Park in West Kirby, which helped run the then-new nature area.

Margaret suffered from Meniere's disease for a long time, which affected her hearing. We warned new recorders working with her to `always get on the right side of Margaret’ - her hearing being better in her right ear. Margaret retained her interest in wildlife and the activities of Wirral Wildlife even when she had to go into residential care. Only a few weeks before her death she rang Hilary Ash to arrange that a particular botanical book (Stace’s Flora) would go to someone who could use it. (It has been gratefully received by a Plant Science student from Edgehill University who is on placement with us.)

We send our sympathy to Margaret’s husband Jim and children Chris and Joyce.

Invertebrate Recording at New Ferry Butterfly Park

Thanks again to Roy Lowry who has sent us another great report, illustrated by his photographs. This time he explains his recording process using photographs to identify the invertebrates he finds at New Ferry Butterfly Park.

Anybody involved in the management of a nature reserve needs to know the species of insect that live there and how this list changes from season to season and from year to year. During 2022 I aimed to provide this information for New Ferry Butterfly Park through regular photo-recording surveys. These involve walking around the reserve photographing every insect I see. Date and time of each photograph are automatically recorded by the camera together with high-accuracy positions (if needed) from a Bluetooth-connected phone. Back home the insects are identified, and the observations recorded on either iRecord or iNaturalist.

Of course, the hardest part of this is identification of the observation subjects from the photographs, which need to show the critical identification features of the specimen at high magnification and in perfect focus. Frequently, this requires several photographic viewpoints. The two problems here are knowing the viewpoints required and persuading the subject insect to allow those viewpoints to be accessed. Even something as straightforward as a face shot can require a lot of patience. Sometimes, things come good such in Photo 1 below. Here, a female common flower fly (Syrphus ribesii) is displaying her ’hairy armpits’, well-separated eyes and all-yellow hind femur in a single shot facilitating confident identification to species level.

Photo 1: Female common flower fly (Syrphus ribesii)

However, quite often the result is like Photo 2 where a male Syrphus manages to hide his hind femur under his wing and the photo quality is insufficient to show whether the eyes are hairy. Consequently, identification is only possible to genus level.

Photo 2: Male Syrphus sp.

This surveying method has both advantages and disadvantages. The main disadvantages are selective sampling and the identification uncertainties. Sampling is selective because the only invertebrates recorded are those that I can photograph. Coverage is good for flying insects, especially those that visit flowers but most crawling insects such as beetles and bugs spend most of their time out of sight. The problem can be overcome by sweeping nets through the vegetation or by beating bushes with sticks whilst holding a large net underneath. The catch is transferred into plastic pots where they can be identified using a hand lens or photographed. I have tried photographing insects in pots, but the results have been poor quality as the subjects rarely sit still and the pots aren’t perfectly clear. I have thought of building a field studio – a box with a glass front holding insect perches – so that specimens can be released from the pots and better-quality photos obtained using a macro flash setup. I may try a few experiments during 2023.

The identification uncertainty can be reduced by catching specimens, killing them, mounting them, and examining them under a microscope. Facilities for examination, including an extensive collection of identified specimens for comparison, are provided by the Tanyptera project at Liverpool World Museum. For even greater identification certainty samples from specimens may be used for DNA barcoding, but this is expensive and would only be used in circumstances such as confirmation of a rare find. As a photographer rather than a zoologist I prefer not to harm my subjects.

The advantages of photo-recording are its speed, the resulting by-product, and the lack of damage caused to both subjects and their environment. Speed means that the Butterfly Park can be surveyed in about an hour, making weekly or more frequent surveys possible. Such frequency catches both seasonal changes in the fauna and transient species passing through the reserve. The survey by-product is an ever-increasing photo-library of the Butterfly Park and its invertebrates that has been organised into OneDrive folders which are available to those who can make use of them for research or illustration. Over 600 images of varying quality were added during 2022. Photo 3 was one of my favourites showing a dingy skipper butterfly (Erynnis tages) in a visually interesting setting.

Photo 3: Dingy skipper butterfly (Erynnis tages)

I plan to continue the surveys through 2023 and will try to take a fixed set of wide-angle views of the Butterfly Park at monthly intervals, as I do on Chester Zoo Nature Reserve, to show how it looks through the seasons.

All photographs were taken by me in New Ferry Butterfly Park during 2022 and are published under cc-by licence.

Roy Lowry