Animals

Adult cassowaries can run up to 50 km (31 mi) per hour.

Their head can weigh up to 225 kg. Hippos can open their mouths to a width of about 1 meter, and the length of their teeth reaches a maximum of 30 cm.

Oryxes were hunted extensively for their meat and as trophies. In the 1930s, oryx hunting with motor ...

IUCN classifies those reptiles as least concern (LC). The exact population size is not known but they are often found in their environment, which may indicate their high abundance.

Paleontologists drew this conclusion from examining their fossilized footprints.

Today, axolotls can be found only in the southern parts of Lake Xochimilco since Lake Chalco was artificially drained in the late 1860s to prevent flooding.

They can cross rivers as wide as 50 meters in this way. Observations show that such swimming gives them pleasure even when the water is very cold.

This anatomical feature distinguishes aye-aye from other primates.