Scientific name: Gavia stellata
The red-throated diver lives up to its name - the distinctive red patch on its throat heralds the breeding season. In summer, it nests in Scotland, but look out for it around the UK's coast during winter.
StatisticsLength: 61 cm
Average lifespan: 9 years
Classified in the UK as Green under the Birds of Conservation Concern 4: the Red List for Birds (2015). Protected in the UK under the Wildlife and Countryside Act, 1981.