BTO – New records chart remarkable lives
In July 1997, a Black Guillemot chick was ringed in Orkney. This bird successfully fledged from its nest and…
In July 1997, a Black Guillemot chick was ringed in Orkney. This bird successfully fledged from its nest and…
Spring is arriving earlier each year but Cuckoos are unable to shift the timings of their annual migration in response.
The recent spread of Avian Influenza among threatened gulls and terns is gathering pace, say experts from the British Trust for Ornithology (BTO).
The British Trust for Ornithology (BTO) has fitted 10 more Cuckoos with state-of-the-art satellite tags, allowing scientists and the general public to track their annual migration to central Africa and back.