Camels store adipose tissue in their humps, which they often use as a source of nutrition during times of scarcity for both food and water.
Because they may go more than three months without eating, drinking, exercising, urinating, or even defecating, bears are sometimes referred to as the great hibernators.
The male emperor penguins are forced to withstand extreme Antarctic winter cold for more than 3 months whilst protecting their eggs — and they don’t eat anything during this time.
Due to their slow metabolic rate, ball python snakes are able to sustain themselves without food for up to six months at a time. All they do to survive is utilise the energy they have stored.
Galapagos tortoises can endure a whole year without eating because of their slow metabolism and enormous internal water storage capacity.
In a single meal, scorpions consume one-third of their body weight. By itself, this enables them to manage their nutrition and slow down their metabolism, enabling them to go a full year without eating.
A frog that burrows can go a whole year without eating while buried in the mud. They achieve this by preserving energy during times of resource scarcity following a period of dormancy.
After a satisfying meal, crocodiles can survive for three years without food because they conserve energy by remaining still.
Olms lower their metabolic rate and activity when food is sparse. They can survive for ten years without nourishment thanks to their ability to reabsorb their own tissue.
A tardigrade goes into cryptobiosis, also known as a lowered metabolism. Their metabolism lowers to 0.01% of their normal rate and their water content can also drop to 1%. This makes them able to go without food for more than 30 years.