Search looks for exact, case-insensitive keywords of at least 3 characters. Use upper-case OR to get more results. Example: cat OR dog (content contains either "cat" or "dog"). You can use upper-case ...

BTO Christmas card featuring a Robin by Dennis Harle, 1965 The tradition of sending Christmas cards was begun in 1843 by the civil servant Sir Henry Cole (1808–1882), who commissioned his friend, the ...

Further information about methods for taking biometrics measurements can be found in Chapter 11 of the Ringers' Manual.

Many of the wild fruits and berries eaten by birds are dangerous for humans. Birds are able to consume them safely because they have evolved different metabolic tolerances to toxins and different ...

A key step in understanding the possible impacts of a proposed windfarm development is to identify potential interactions between seabird breeding colonies and the proposed development areas. Such ...

Bird Table is our quarterly magazine for Garden BirdWatchers (GBW), sent out to those participants who support the project through an annual subscription. It features articles on garden bird ecology, ...

This report details work to evaluate two approaches for producing maps of relative abundance from BTO/JNCC/RSPB Breeding Bird Survey data. These maps could be useful for setting local conservation ...

Our provisional results show many more 10-km squares to be occupied compared with the 1988-91 Breeding Atlas. In Britain 30% more 10-km squares are occupied, and in Ireland the figure is 68%. Some of ...

What is Girls Go Birding? Girls Go Birding is a series of free BTO Youth events for young people aged 25 and under. They are open to cis women, trans women, and those identifying as female and ...

House Sparrow perched on a beam, by Amy Lewis / BTO The UK is home to 73 million fewer birds today than it was in 1970, according to research from the British Trust for Ornithology (BTO) published ...

For migrant birds, there are both ‘push’ and ‘pull’ factors that drive their migration. Typically, it’s a mix of factors. Different species also migrate at different times, and in different ways - in ...

A pair of Hoopoes succeeded in raising three young from a nest in farmland in Leicestershire and Rutland. This distinctive species from southern Europe, its plumage a combination of salmon-pink and ...