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