what do reptiles and amphibians have in common

Common Characteristics of Reptiles and Amphibians

Reptiles and amphibians have much in common despite their vast differences in habitats, diets and lifestyles. Below we look at some of the more common characteristics shared by both of these fascinating animals.

Respiratory System

One of the most obvious similarities between reptiles and amphibians is their shared respiratory system. Both breathing systems rely on the use of lungs, allowing them to engage in healthy respiration. Although reptiles have slightly more efficient lungs than their aquatic amphibian counterparts, both animals require air to breathe.

Cold-Blooded Nature

Another significant common trait shared by reptiles and amphibians is their cold-blooded nature. This means that their body temperature is dictated by their environment, and they require external sources of heat, such as sunlight or artificial light, to truly thrive.

Common Lifespan

Reptiles and amphibians both typically have a much shorter lifespan than mammals. The average age of a reptile is 20 to 30 years, whereas amphibians often live for much less time, with some species only surviving for one or two years.

Habitat Types

Reptiles and amphibians can both be found in a range of habitats, but there are some similarities. Common habitats include:

  • Mountains
  • Deserts
  • Forests
  • Grasslands
  • Wetlands
  • Rivers
  • Oceans

Mating Rituals

Another common trait shared by these two groups of animals is their complex mating rituals. These rituals usually involve a male animal attempting to impress a female one and often involve visual displays or a vocal performance, depending on the species.


These are some of the most common traits shared by reptiles and amphibians. Despite their differences, these two groups of animals have much in common, including similarities in breathing systems, lifespans and habitats. Furthermore, they both engage in complex mating rituals.

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