A mammoth is any species of the extinct elephantid genus Mammuthus. The various species of mammoth were commonly equipped with long, curved tusks. They lived from the Pliocene epoch into the Holocene at about 4,000 years ago, and various species existed in Africa, Europe, Asia, and North America.
The blue whale is a marine mammal and a baleen whale. Reaching a maximum confirmed length of 29.9 meters and weighing up to 199 tonnes, it is the largest animal known ever to have existed. The blue whale's long and slender body can be of various shades of greyish-blue dorsally and somewhat lighter underneath.
Amphibians are vertebrates known for their dual life cycle, transitioning from aquatic larvae to land-dwelling organisms.
They include frogs, toads, salamanders and crocodiles.
Their skin is moist and has a structure that allows them to breathe through their skin. They feed on predators and other prey in ecosystems.
Due to development and uncontrolled human processes, many amphibians are becoming extinct.
Therefore, their insurance work should be speeded up.
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