Examples of fauna

Amphibians

• Amphibian is a group of animals that are capable of exploiting both aquatic and terrestrial habitats.
• At present, about 8100 species of living amphibians live throughout the world
• The most characteristic feature of amphibians is moist skin that supports cutaneous respiration. Some amphibians like terrestrial salamanders and frogs might even lack lungs.
• Amphibians are considered one of the most susceptible animals in the environment as they have semi-permeable skin, and their eggs are porous.
• Examples of common amphibians that form the fauna on earth include frogs, salamander, toads, and caecilians.

Reptiles

• Reptiles are crawling animals that live on land and have epidermal scales, covering part or the entire surface of the body.
• Even though most reptiles are tetrapods with two pairs of limbs, and they are exclusively terrestrial and do not have an aquatic larval stage. Some reptiles, however, are limbless and live as crawling animals.
• Some reptiles like turtle and tortoise might even have modified limbs as flaps that aid them in swimming.
• At present, more than 10000 species of reptiles are known to live on earth.
• All of these animals are diverse in structure as well as habitats. The extinct reptiles are even more diverse, ranging from aquatic plesiosaurs to meat-eating terrestrial dinosaurs, and occupying even more diverse ecosystems.
• The common reptiles present in the fauna of the earth include snakes, crocodiles, lizards, turtle, etc.