Seven or eight years ago I undertook water vole surveys for the local Wildlife Trust after attending one of their Water Vole Surveying Courses. Unfortunately, I eventually had to give them up due to lack of time with the number of family commitments I had then. Of all the surveys I've done in the past Water Vole surveying was the one I enjoyed the most so when I noticed the People's Trust for Endangered Species had launched a National Water Vole Monitoring Programme I decided to register to take part. Water Voles are our fastest declining mammal. A National Water Vole Survey in 1989/90 estimated a 94% loss of water vole sites during the 20th century. The most recent national survey which took place in 1996/98 revealed a further loss of 89%. The aim of the PTES monitoring programme is to make yearly visits to sites that were surveyed in the 1980's and 1990's to gather up to date information on the distribution and abundance of the species and to detect any changes since the last survey and to monitor future changes.
Water voles (Arvicola amphibius) are mainly found along slow flowing rivers, streams, canals, lakes and ponds. They are vegetarian and have been recorded eating 227 plant species, mainly bankside grasses and sedges, marginal and emergent plants and in winter they will eat berries, tree bark and roots. They live in colonies along banks where they dig a burrow system into the bank although on rough pasture land they will build woven nests. Water Voles receive full legal protection and, due to their dramatic decline, have been designated a Priority Species under the UK Biodiversity Action Plan (BAP).
Reasons for their decline include:
Loss and degradation of habitat due to river engineering, canalisation, bank reinforcement, lack of riparian management or inappropriate bank management.
Fragmentation of habitat which isolates colonies.
Predation by the non-native mink (Mustela vision) which escaped or was released from commercial mink farms. Female mink, in particular, are very effective predators and can hunt water voles on land, in the water and are small enough to pursue voles into their burrows. A breeding female mink can wipe out a whole water vole colony.
Disturbance of colonies due to activities along the river and on the water course.
Poor Water Quality and pollution (from farm waste, insecticides and herbicides)
Poisoning due to mistaken identity and the inappropriate use of rodenticides.
The PTES survey involves visiting the allocated site(s) in May to walk a 500/600 metre continuous route noting on the way any field signs of water voles, for example, actual sightings, burrows, latrines, feeding signs and grazed lawns. Locations of these in each 100 metre stretch need to be recorded. Field signs (scats/spraints and tracks)of otters and mink, if found, are also noted.
Water voles are rare in Warwickshire. There are colonies in Coventry, Wolvey and Nuneaton and a few isolated colonies elsewhere. Unfortunately, I have had problems gaining landowner permission for the brook I hoped to survey in Warwickshire. In fact, in the end he refused although failed to give any reasons which was disappointing to put it mildly. There were no such problems with the other site I planned to survey - a canal in the West Midlands which I surveyed earlier this week.
When you are surveying for water voles you really don't want to see bank reinforcements such as these
as it means water voles are very unlikely to be present as they cannot burrow into the bank. There were around 300 metres on the opposite bank of the canal which appeared to be reinforcement free
but the whole of the bank on the side I was walking had brick reinforcements so it wasn't really surprising that I found no water vole field signs at all. I will go back in September though just to double check and I may walk further along the canal to see how far the reinforcements go.
Once I'd done the survey I was free to take note of the flora and fauna along the canal.
B had just spotted a Reed Bunting.
Sorry the photos aren't very good - I took the Bridge Camera which I still haven't mastered. It was a bit foolhardy really but I just stuck it on automatic and used it as a point and shoot. Not easy taking photos of moving objects with one hand as I was also holding, maps and survey forms in the other.
Mallard and ducklings
This Grey Heron was a very long way away taken on full zoom.
Moorhen and Young - sorry really dreadful picture but it was so cute.
It was pleasing to see the number of nestboxes on the farmland opposite
An interesting looking footpath into a nature reserve adjacent to the canal.
Sad sight - fly tipping in the car park :( Can never ever understand why people drive to places like this or deep into the countryside to get rid of stuff when they could just as easily visit their local rubbish collection point.
When I made a preliminary visit to the canal a week or so ago I took these photos of dandelions with the Olympus. It really does seem to have been a good year for dandelions.
Emperor Moth News
So far 3 males have emerged from the cocoons - all now safely released.
Sadly, no females yet.... so I haven't had chance to try assembling.
It can take several years for the moths to emerge so in a few weeks I'll put the cocoons back in a cool place and wait until next year.
I've been offered some more emperor eggs/caterpillars and I may take up the kind offer - though will ask for fewer this year!!
Moth trapping in the garden this May so far has been exceedingly depressing with hardly any moths trapped. As its Garden Moth Scheme night I will try again tonight.
Blue Tit Nesting News
Despite activity from a pair of blue tits constantly visiting the nestbox over several months there were no signs of nest building and I really had given up hope. Last week there was another sudden flurry of activity and the female built a nest within a couple of days and she is now incubating six eggs. This nesting attempt is very late compared to usual!
After leaving Attingham house via a courtyard, as time was limited, we had to decide whether to visit either the tearoom for tea and cake and the shop or walk to the
walled garden. The latter won!
A nice walk through woodland with beech leaves unfurling
I've always enjoyed watching rookeries but, having just finished reading "Crow Country" by Mark Cocker, I have fallen in love with corvids all over again. A great book and thoroughly recommended if you haven't read it. Can't wait now to read Claxton.
The three acre Orchard contains around 160 apple trees comprising 37 varieties selected to give a long season of fresh/stored fruit. The earliest apple to appear is a desert apple called Red Joanetting which ripens late July/August. Bramley cooking apples are stored throughout the winter. The apples are all used for baking in the tearoom.
It was good to see areas in the Orchard where the grass had been allowed to grow.
We might not have had time for the tearoom but we were both rather peckish so this Catering Van was a godsend.
Shortbread biscuits were yummy and homemade.
The Walled Garden was originally built around 1780 in order to provide the Berwick family and their guests with fresh or stored fruit and vegetables, together with honey, throughout the year. It closed in the 1960's and then re-opened in the 1990's when it was used to grow Christmas trees. Work to restore the Walled Garden started in 2008 and all the produce is either used in the tearoom or sold in the shop. Both the garden and orchard are organic and today the garden is maintained by a small team of staff and around 60 volunteers.
There are two areas in the Walled Garden - the large, main, rectangular garden and a smaller triangular area containing glasshouses, cold frames and the bothy.
Cerinthe Major - bees love this plant. Sadly, I lost the one I had in the garden at home.
Somehow we managed to miss the Bee House - one of only two known Regency bee houses in the country. It was originally located in the orchard so the bees could pollinate the flowers but was then re-located on lawns south of the Walled Garden. It still houses bees in the traditional straw skeps.
As we walked back to the car - these bullocks wandered over (friendly as they seemed I was rather glad there was a fence between us!!).
The courtyard containing the tearoom, second hand bookshop and giftshop.
Edit - Just been looking at the photos again and spotted Wild Garlic for sale in the last photo. Very annoyed I didn't spot them when we were there as I'd have loved to buy a couple of plants for the garden!!
In the evening we attended the book launch of the second Matlock Hare book - "The Puzzle of the Tillian Wand" by the very talented Phil and Jacqui Lovesey. A great evening with drinks and nibbles, quizzes, raffles and prizes and a preview reading from the 3rd book of the Trilogy to be published next year. For details of the books, Jacqui's exquisite and delightful illustrations and the majickal world of Matlock Hare please visit www.matlockthehare.com.
Welcome to my blog. I have been interested in natural history from an early age and we have tried to create a garden attractive to wildlife. I also enjoy reading, photography, collecting fossils, visiting historic buildings and gardens and supporting Aston Villa. Please feel free to leave a comment and, if you would like to email me, my email address is ciraggedrobinsATgmail.com - remember to replace AT with @. Thank you for visiting.