What do sloths eat to grow up, what animals are their natural enemies, and how are they different from koalas?

The sloth is a relatively rare mammal in our country, named sloth because it is too lazy to do anything. It looks like a monkey, has feet but cannot walk, and can only drag itself forward with its forelimbs, living in trees all year round. So what do sloths eat to grow up? What animals are their natural enemies? How are they different from koalas?

The sloth is a strict tree-dweller and a pure herbivore, mainly eating leaves, tender buds and fruits. The best food for a sloth is low-calorie leaves; eating a little takes several hours to digest. Once full, it hangs upside down on a branch and sleeps lazily. It can be said to make its home in trees, can endure hunger for more than a month, and when it absolutely must move, its movements are lazy and extremely slow.

Natural enemies of the sloth:

Ocelot The ocelot inhabits dense tropical rainforests, high mountain forests of the Andes at an altitude of 3800 m, dense thickets, semi-desert areas with sparse vegetation, and coastal mangroves. It is mostly active at night and is territorial. Its hunting method is the same as that of most felids, and it is also good at swimming and climbing trees. Its food includes monkeys, armadillos, iguanas, turtles and snakes, rodents such as agoutis, fish, land crabs, amphibians and birds, and sometimes it also preys on domestic piglets and poultry.

Harpy eagle The harpy eagle is the largest predatory bird of prey, also known as the harpy eagle and harpy hawk. It actively captures prey, mainly mammals perched in trees, such as howler monkeys, coatis and sloths, and will also attack other birds such as macaws; sometimes even large pythons cannot escape its talons. Its talons are extremely strong, able to pin down prey and lift prey weighing more than three-quarters of its own body weight. Its flight speed is very fast, able to reach 80 km per hour in a short time. Although it is huge, the sound it makes in flight is very small, so even when it sweeps over the top of prey's head, it is not easily noticed.

Jaguar The jaguar is a large felid living in the Americas, also known as the American tiger. It weighs 70-160 kg, and its bite force can reach 1250 pounds. It is the third-largest extant felid. Its markings resemble those of a leopard, but its overall body shape is closer to that of a tiger. Among felids, its size is second only to the lion and tiger. Its food includes fish, sloths, capybaras, deer, spiny rats, wild boars, arapaimas, anteaters, monkeys, freshwater turtles, crocodiles and so on, and occasionally it also preys on huge anacondas.

Python The python is one of the more primitive snake species in the world today. On each side of its cloaca there is a small claw-like trace, a remnant of degenerated hind limbs. It belongs to arboreal or aquatic snakes, lives in tropical rainforests and humid subtropical forests, and is a generalist feeder. It often feeds on small muntjacs, small wild boars, rabbits, squirrels and poultry, and can swallow an animal equal to or heavier than its own body weight at one time. Except for the hair of the prey, everything can be digested, but after a full meal it can go without food for several months.

Differences from the koala:

In family and genus:

1. Sloth: The sloth is an arboreal mammal in the animal kingdom, Chordata, Vertebrata, Mammalia, Eutheria, Pilosa, Folivora, Bradypodidae or Megalonychidae, Bradypus or Choloepus.

2. Koala: The koala is a small mammal in the animal kingdom, Chordata, Vertebrata, Mammalia, Metatheria, Diprotodontia, Vombatiformes, Phascolarctidae, Phascolarctos.

In origin:

1. Sloth: Sloths are mainly distributed in the tropical rainforests of Central America and South America, including the two genera of three-toed sloths and two-toed sloths. Three-toed sloths range from Honduras in the north to northern Argentina in the south, while two-toed sloths range from Nicaragua in the north to northern Brazil in the south.

2. Koala: The koala is Australia's national treasure and also Australia's peculiar and precious primitive arboreal animal, distributed in the northeastern part of Australia's Great Dividing Range.

In morphology:

1. Sloth: The sloth has short but high bones, a markedly shortened snout, and a strong but incomplete zygomatic arch. The number of cervical vertebrae deviates from the usual seven-vertebra pattern of mammals: the two-toed sloth has 6-7, and the three-toed sloth has 9. No more than 3 toes are visible externally, with syndactylous feet. The three toes of the three-toed sloth are equal in length, the base of the ankle bone and the tarsal bone are fused, and the claws are strong and hook-shaped. Its body size is relatively small, weighing 4-7 kg, and its body hair is long and coarse. Algae grow in the depressions of the hair surface, turning the light-colored fur green.

2. Koala: The koala has a simple, honest posture and looks much like a small bear. It has a thick, soft, dense grayish-brown short coat, with grayish-white fur on the chest, abdomen, inner limbs and inner ears. Adult male koalas have a particularly striking brown scent gland in the center of their white chest. It has a pair of large ears with downy hair, and a bare, flat nose. Over the long course of time, its tail has degenerated into a “cushion”, and the fur on its buttocks is thick and dense, so it can sit in trees for long periods and has an extremely strong sense of balance.

In diet:

1. Sloth: The sloth is a strict tree-dweller and a pure herbivore, mainly eating leaves, tender buds and fruits. The best food for a sloth is low-calorie leaves; eating a little takes several hours to digest. Once full, it hangs upside down on a branch and sleeps lazily. It can endure hunger for more than a month, and its movements are extremely slow.

2. Koala: The koala's only food is eucalyptus leaves. It feeds on eucalyptus leaves and tender twigs and almost never comes down to the ground to drink water, because it can get enough moisture from eucalyptus leaves. Its liver is very peculiar and can separate the toxic substances in eucalyptus leaves, so the koala sleeps for a very long time to digest the toxic substances, needing 17-20 hours of sleep each day, with only the remaining 4 hours used for feeding, activity, personal hygiene and communication with other koalas.