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A type of large freshwater crayfish widespread in Europe.
One of the most common types of Anatidae, the ancestor of the domestic duck.
Long-necked herbivorous dinosaur with a robust body.
Extinct species of fish which had thick ´armour´ protecting the head.
A type of snake with a characteristic spot on its neck.
Many freshwater fishes are also popular as food.
Groups of western jackdaws are frequently found in cities. Konrad Lorenz analysed the...
While the density of spider silk is less than that of nylon filaments, its tensile...