Mae Cudyll Cymru yn gynllun newydd sy’n monitro adar ysglyfaethus yng Nghymru.
Learn more about Cudyll Cymru and register your interest in contributing to the vital monitoring of Welsh raptors.
Our CEO Juliet discusses the outpouring of love for the natural world, grief at its current state, and hope for turning it around at the Restore Nature Now march.
The 2023 BBS report celebrates the survey’s 30th anniversary, and the commitment and dedication of nearly 9,000 volunteers who have contributed since 1994.
BTO-led research highlights the importance of the quality of protected areas in their effectiveness.
For over 90 years we have been the UK’s leading experts in ornithological science and with more support, we can move more quickly and do even more for birds.
This study used data from 160 urban sites in England, collected by volunteers taking part in the Wider Countryside Butterfly Survey, in which BTO is a partner. Butterflies were chosen as the species...
The most notable changes over the past 75 years have been an increase in temperature and a loss of roughly 90% of lowland meadow and pasture, mainly converted to arable farmland and improved...
The UK, like most other countries worldwide, has experienced a significant loss of biodiversity. The trends in nature presented in this report cover, at most, 50 years, but these follow on from major...
Data from 7,971 gardens between 2007 and 2020 have been used to produce garden-specific abundance trends for 22 widespread butterfly species.
Using the most comprehensive dataset of its kind, this study explores the drivers of population change in European birds.
The UK has many different kinds of protected area, but how effective are they for bird conservation?
Using data collected by volunteers participating in three national butterfly monitoring schemes - operating in Spain, the UK and Finland - this paper explores the mechanisms shaping community...
What could be a previously undetected biodiversity decline potentially represents a significant conservation and economic issue in the UK.
BTO joins Butterfly Conservation and the UK Centre for Ecology & Hydrology to report on long-term trends in abundance and distribution.
Many of the detected effects of climate change on biodiversity have occurred through impacts on food chains. We know that many birds are insectivorous during the breeding season, and various studies...
Find out what the latest 'Birds of Conservation Concern' review means for species in Wales.
While there is plenty of evidence to demonstrate that protected areas are effective at protecting natural habitats, their benefits for birds and other species have been less well-studied. This study...
How our Acoustic Pipeline project is contributing to bat conservation in some of Europe’s most threatened landscapes.
