The animal group classified as being the most critically endangered is?

One of the animal groups classified as being the most critically endangered is the amphibians. Amphibians, such as frogs, toads, and salamanders, are facing a rapid decline in their populations due to various factors, including habitat loss, pollution, climate change, and disease. According to the International Union for Conservation of Nature (IUCN), approximately 40% of amphibian species are currently at risk of extinction.

The animal group classified as being the most critically endangered is the amphibians.