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Log in | BTO - British Trust for Ornithology
© British Trust for Ornithology (BTO), The Nunnery, Thetford, Norfolk, IP24 2PU
Birds of Conservation Concern | BTO - British Trust for Ornithology
Golden Oriole (previously Red-listed but which has not bred in the UK since 2009) now joins a Black List of eight other species now considered to have ceased breeding in the UK (including Serin, Temminck’s Stint and the once widespread Wryneck).. Four new species that have more recently become sufficiently established, as well as Yellow-browed Warbler (no longer considered a scarce migrant ...
DemOn | BTO - British Trust for Ornithology
In preparation for the initial release of DemOn, we issued a series of informative emails to all ringers and nest recorders. These provide a general overview of DemOn, along with a brief introduction to the functionality (existing and future) of the system.
Welcome to the British Trust for Ornithology | BTO - British Trust …
Read the annual report of the Seabird Monitoring Programme, a BTO / JNCC / RSPB publication about the abundance and productivity of breeding seabird species in Britain and Ireland from 1986 to 2023. The Winter Gull Survey collects information …
LITTLE OWL NEST BOX The Little Owl is a species of open country, favouring lowland habitats such as farmland, parkland and orchards. Introduced from the Continent during the latter part of the 19th century, the species can be
Putting up a nest box | BTO - British Trust for Ornithology
Not too close to another nest box — nest boxes of the same type should not be sited too close together as this may promote aggressive behaviour between neighbours.; Shelter your box from the weather — the front of the nest box should be angled vertically or slightly downwards to prevent rain from entering the nest box. Make sure it is …
ROBIN NEST BOX – CUTTING PLAN. FRONT ROOF. BACK SIDE. SIDE BASE. 150 300. 200 120. 200 175. Robin . Erithacus rubecula. Clutch size: 4–5 eggs Incubation: 13–14 days
Make a nest box | BTO - British Trust for Ornithology
In-depth information for making nest boxes. If you want to know more, try our in-depth book Nest Boxes: Your Complete Guide.Written by Dave Cromack and drawing on BTO expertise, this new book provides the perfect guide to building, erecting …
BLUE TIT NEST BOX - British Trust for Ornithology
BLUE TIT NEST BOX - British Trust for Ornithology
Long-tailed Tit | BTO - British Trust for Ornithology
The starting years of the long-term monitoring periods coincides with a trough in population, thus exaggerating the long-term trend. CBC/BBS index trends show progressive increases in Long-tailed Tit abundance beginning in the early 1980s.