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A fascinating aquatic insect species that is able to 'walk' on the water using surface tension.
Fish-like marine dinosaurs which resembled dolphins; a good example of convergent evolution.
Common ciliated eucaryotic unicellular organisms widespread in freshwaters.
The red panda, also known as the lesser panda, is a relative of the black-and-white giant panda...
The American bison is the largest land animal in North America.
The axolotl, also known as Mexican salamander, is an amphibian species that keeps its gills even...
The dentition of different species of mammals reflect their feeding habits.
Bats use ultrasound to navigate and hunt for prey.