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The Arctic tern is famous for its long migration route: it flies from the Arctic to the Antarctic and back again each year.
tern, migration, egg, migrating bird, nest, aquatic bird, aviation, beak, animal, vertebrates, bird, biology
Marine mammals, the largest known animals to have ever existed.
The characteristic colours of the common kingfisher aid the bird in catching its prey.
Penguins are birds living in the Antarctic and adapted to cold temperature and swimming.
The Great ocean conveyor is a planet-wide system of ocean currents, which has a great influence on the Earth´s climate.
The saker falcon is a large bird of prey widespread in Europe and and Asia.
The animation demonstrates the most important types of feathers and their fine structure.
Groups of western jackdaws are frequently found in cities. Konrad Lorenz analysed the complex social behaviour of these animals.