or log in
Bottlenose dolphins are sea mammals which use ultrasound for orientation.
Widespread heterotrophic unicellular organisms with constantly changing shapes
Quetzalcoatlus was one of the largest known flying animals of all time.
The largest species of lizard that lives in isolation. Even a single bite of it can be fatal.
The archaeopteryx shows characteristics of both birds and reptiles. It is probably the...
Freshwater fish used as food in many parts of the world.
The striped horse of the savannahs that pedestrian crossings were named after.
A brightly coloured and extremely loud parrot whose screams can be as loud as 110 dB. In humans,...