Las jirafas pueden pasar semanas sin beber agua

During feeding season the largest animal on Earth relies on tiny shrimp-like krill.

Only three bat species drink blood, and vampire bats can die if they go about two nights without a meal.

A panda can eat roughly 12 to 38 kilograms of bamboo a day, since the plant provides little nutrition.

The leaves are toxic and low in energy, so koalas sleep up to 20 hours a day to conserve energy.