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Unlocking the Severn

Unlocking the Severn’ is a project that aims to restore 158 miles of river for shad to reach their natural spawning grounds once again. This will be achieved by installing fish passes along weirs in the River Severn. The Severn Rivers Trust has been in touch to let us know that there are some exciting volunteer opportunities to contribute to this project. The main activity is Shad monitoring which involves carrying out bankside timed counts, counting the numbers of migrating Shad, in Tewkesbury at Upper Lode weir. If any of our members would be interested in coming along to Tewkesbury for a day trip to learn more about the project and have a go at carrying out some shad counts, then they can contact Rachel Davies on 07923220394 or [email protected] There are several dates in May to choose from.

AGM – 6th March

A reminder than the GNS Annual General Meeting will take place on 6th March, with a talk by Julian Hector, head of the BBC Natural History Unit. More information here. In preparation for the AGM, please note that the following documents are all now available to view:

The Science & Publications Committee Annual Report 2020
AGM minutes March 2019
AGM agenda for March 2020
Cirencester Branch Chairman’s Report
GNS Chairman’s Report Feb 2020
Treasurer’s Report 2020
Membership Report Summary Dec 2019.

All of the above documents are available to read by following this link.

Adder identification & survey workshop

News of an upcoming ‘Back From The Brink’ Adder identification and survey workshop for anyone interested in helping to survey for Adders in the Cotswolds. The training will take place on Saturday 21st March from 9.30am-4pm at the National Trust’s Ebworth Centre.

The day will provide you with the knowledge and skills needed to help us undertake surveys for adders and other reptiles which we aim to begin following the training day. The aim is to get a comprehensive picture of where adders currently are and how they are doing which in turn will help us conserve them here in Gloucestershire and across the Cotswolds as a whole.

If you would like to come along please reply by email to [email protected] to book your place but please note spaces are limited. Click here for more information.

Peregrines on the cathedral

Andrew Bluett had the following sighting of the Peregrines at Gloucester Cathedral on Friday. The male came in from the north over the roof (2025a) then headed for a perch on the highest south-east pinnacle (2031x); he then collected Prey from somewhere out of sight behind the tower (2039x – small and unidentifiable) and passed it to the female on the west face of the tower with some brief calling. The male has a metal BTO ring on the right leg, Orange Darvic ring “PAC” on the left leg. This bird fledged from Cheltenham in 2017. Also present was the Black Redstart which has been there for a while now.

Squatters in Little Owl box

Photo – David Priddis

As part David Priddis’s annual bird box check, he found some honey bee ‘squatters’ in the Little Owl box.

There is some nice natural wax comb, it looks as if they have had all the stores of honey from the right combs and are clustered around those on the left, which hopefully still have some honey left for them.

He managed to replace and screw the front back on without being stung!

New WeBS site in Gloucestershire

Alney Island (photo: Andrew Jayne)

The Wetland Bird Survey (WeBS) is a nationwide survey, administered by the British Trust for Ornithology (BTO), which aims to make monthly counts of water birds at as many wetlands as possible, in order to assess numbers of birds, and to pinpoint the principal sites important for them. (Similar surveys are carried out all over Europe and Africa, so this is part of an international effort).

Many Gloucestershire sites are already covered – on the Severn estuary, in the Severn and Avon Vales, at pools and reservoirs, along Cotswold rivers and at the Cotswold Water Park. The counts are carried out by a large group of volunteer observers, many of then GNS members, whose results contribute to the national picture, with an annual report produced by BTO; (new volunteers always welcome!).

The latest addition to the county list of WeBS sites is Alney Island, an area of low floodable meadow alongside the Severn, very close to the centre of Gloucester, part of which is a reserve managed by Gloucester City Council. In times like the present, with extensive flooding, the site holds a variety of surface-feeding ducks such as Teal, Wigeon and Shoveler, as well as birds that frequent thicker vegetation like Water Rail and Coot; in addition the site is a winter home to Reed Buntings which roost in the Typha bed at Port Ham, and rarer birds like Yellow-browed Warbler or Siberian Chiffchaff.

Sightings from GNS meeting at Ripple Lakes

Ripple Lakes are two former sand and gravel pits in the floodplain of the Severn in south Worcestershire, very close to the Gloucestershire boundary, one on each side of the M50, on the left (east) bank. These new lakes, where extraction has only just been completed, hold fairly deep water throughout the year, in particular in late summer and early autumn when other natural wetlands in north Gloucestershire and south Worcestershire (such as Coombe Hill, Ashleworth/Hasfield Ham or Longdon Marsh) often dry out (though not in autumn 2019!). As such they represent a new wetland for the area, and are attracting water birds, both diving ducks which seek deeper water, and surface-feeding ducks and geese which can graze around the grassy edges. Clearly a topic worthy of further investigation by a recording society like Gloucestershire Naturalists’ Society: a field meeting had been scheduled in early December, but had to be postponed because the whole of the floodplain was deeply flooded. Nothing daunted, a doughty band of GNS members (with some guests from the Cheltenham Bird Club) gathered on 19 January, in bright frosty conditions with brilliant light, to investigate the birds present.

As expected, numbers and variety of diving water birds were greater than in shallower Gloucestershire sites: 35 Pochard, 65 Tufted Ducks and a Goldeneye, plus ten Great Crested Grebes. Numbers of geese and surface feeding ducks proved disappointing – just 100 Greylags and 60 Canadas (some of which may already have returned to nesting sites further north) and only 4 Wigeon and 2 Shoveler (perhaps the bigger numbers of these surface-feeding ducks were still back in shallow floodwater at Coombe Hill and Ashleworth). Another bird of interest was a Great White Egret, a still rare Mediterranean heron which has only recently begun to occur, like its smaller cousin the Little Egret, in southern England. Finally an interesting series of waders was noted: a Green Sandpiper and three Snipe would have been winter visitors. as was a most unexpected Common Sandpiper (which normally winters south of the Sahara). On the other hand two Oystercatchers on the island in the south lake were no doubt early returning birds, just arrived to assert their territorial rights on this island which holds a variety of nesting waders; spring must be just around the corner!

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