Long-necked herbivorous dinosaur with a robust body.
The striped horse of the savannahs that pedestrian crossings were named after.
A species of venomous snakes widespread in Europe. Its bite is rarely fatal to humans.
The archaeopteryx shows characteristics of both birds and reptiles. It is probably the...
The dentition of different species of mammals reflect their feeding habits.
One of the best known species of spiders, often kept as pets. Its bite is not fatal for...
The most ancient group of animals, they live underwater, lack real tissues and body symmetry.
Groups of western jackdaws are frequently found in cities. Konrad Lorenz analysed the...
Eupteryds are an extinct group of Paleozoic aquatic arthropods.