Reports

Every few years a report is published and distributed to the members. Each report reviews the period since the previous report and lists:

activities and events
annual ringing totals compared with totals prior to the report period
ringing recoveries and controls
income and expenditure accounts

In addition there are contributions from members covering various ringing related topics. These are listed below along with the low res and high res download options for the last 3 reports.

20th Report 2019-2022

Spatial and temporal distribution of Water Rails trapped at CVL
Counting breeding Mute Swans at CVL using Google Earth imagery
Examples of male philopatry and survival graphs from ringing data collected by Chew Valley Ringing Station
The colour-ringing of the large gulls following rehabilitation at the Secret World Wildlife Rescue Centre, East Huntspill, Somerseta final report

19th Report 2016-2018

Inclusion of primaries in post-juvenile moult of Goldfinch Carduelis carduelis
2012-2018 statistics for box nesting Blue Tits Cyanistes caeruleus in the nature reserve area at Chew Valley Lake
Using the blue wing coverts to age Jay Garrulus glandarius
Winter site fidelity of Chiffchaff Phylloscopus collybita at Chew Valley Ringing Station
A brief history of Chew Valley Ringing Station

18th Report 2013-2015

The Helgoland Trap at Chew Valley Lake – 2007 to 2015
The movement and survival of colour-ringed Herring Gulls Laurus argentatus and Lesser Black-backed Gulls Laurus fuscus following rehabilitation at the Secret World Wildlife Rescue Centre, East Huntspill, Somerset
Materials used in the construction of Blue Tit Cyanistes caeruleus nests, with a particular focus on bryophytes
Barn Owl prey items at Chew Valley Lake
Nest Recording 2012-2015
Breeding Season Surveys of Water Rail at CVL 2013, 2014 and 2015
Site fidelity of breeding Sedge Warbler Acrocephalus schoenobaenus at Chew Valley Lake
The changing fortunes of the Greenfinch Carduelis chloris at Chew Valley Ringing Station