Extinct species | Animal Evolution | Animal Evolution from Chordata to mammals and birds |
| Unusual prehistoric life | Extinct species having unique face, unique apperance |
| Extinct Mammals | Extinct species in historical era |
Endanger speices | CR Mammals | Critically Endangered species |
Extant speices | Living fossil | The species are closely resemble ancestors known from the fossils. |
| Megafauna | Species having large size body |
| Unusual animals | Unusual appearance, Rare species |
| Unusual behavior | Mimicry, Courtship display, Nesting |
| Colorful animals | Colorful, beautiful or interesting species |
| Migratory aminals | Migratory aminals for feeding or breeding |
Small species | Miniature mega | Small species having large size body |
| Miniature monster | Unusual appearance |
| Unusual behavior mini | Mimicry, Courtship display, Nesting |
| Colorful mini | Colorful, beautiful or interesting small species |
| Migratory mini | Migratory small species for feeding or breeding |
Birds | Migratory birds | |
| Unusual tropical birds | |
| Sea birds | |
| Flightless birds | |
Marine speices | Animals in tide pool | |
| Animals in coral reef | |
| Megafish | Armoured fish, Cartilaginous fish, Lobe-finned fish, Ray-finned fish |
| Mega marine reptiles | |
| Unique faces in deep sea | |
| Wildlife in deep sea | |
| Animals in hydrothermal vent | |