or log in
One of the most common types of Anatidae, the ancestor of the domestic duck.
Honey bees fly from flower to flower, harvesting nectar and pollen to take them back to the colony.
This species is an excellent example for symbiosis. Living together with sea anemones they keep...
The dentition of different species of mammals reflect their feeding habits.
Eurypterids are an extinct group of Palaeozoic aquatic arthropods.
This animation demonstrates the anatomy of spiders through the example of a common European species.
Large carnivores, perhaps the best known of dinosaurs.
The main characteristic of the rhinoceros is the horn at the front of its skull, which it uses...