These rainforests have rich biodiversity and nearly 40% to 75% of all species on Earth inhabit these forests. Fauna of these rainforests includes the jaguar, tapir, okapi, boa constrictor, African gray parrot, keel-billed toucan, crowned eagle, three-toed sloth, spider monkey, large flying fox, king colobus, and more.

Other rain forest mammals include sloths, tapirs, jaguars, ocelots, kinkajous, lemurs and agouti. The warm, moist environment is also an ideal habitat for reptiles and amphibians. Many types of frogs, salamanders, snakes and lizards can be found in almost every layer of the forest.

The tropical rainforest contains more species of animals than any other biome and insects make up the largest group of animals. Anacondas, Monkeys, Toucans, Macaws, Herens, Cougars, Pumas, Orangutans, Gorrilas, Sloths, Parrots and Frogs.

Antarctic blue whale

the blue whale

Blue whale The blue whale is the largest animal living on Earth today, and it is also the largest animal in Earth’s history. It reaches 33 meters in length and 150 tons in weight.

Mycoplasma genitalium. Mycoplasma genitalium, a parasitic bacterium which lives in the primate bladder, waste disposal organs, genital, and respiratory tracts, is thought to be the smallest known organism capable of independent growth and reproduction. With a size of approximately 200 to 300 nm, M.

14 of the smallest animals on Earth

• The Kitti’s hog-nosed bat is the world’s smallest mammal at 1.1 inches.
• A Brookesia micra grows to be only 1 inch long.
• The Virgin Island dwarf sphaero can be a mere 0.6 inches.
• The Monte Iberia eleuth is a tiny frog that grows to be 0.4 inches.

The cutest animals in the world that you never knew existed

• Pika, North America and Asia.
• Quoll, Australia and New Guinea.
• Quokka, Western Australia.
• Klipspringer, eastern and southern Africa.
• 5. Japanese weasel, Japan.
• Long-eared jerboa, China and Mongolia.
• Slow Loris, South and Southeast Asia.
• Dik-dik, eastern Africa.

Although this list and our research shows otherwise, the Devils Hole Pupfish is widely called the world’s rarest fish (it is not quite as rare as the Red Handfish). The Devils Hole Pupfish is only found in the Devils Hole, a geological formation that is a part of Death Valley National Park in Nevada.

Madagascar pochard: World’s rarest bird gets new home

• The rarest bird in the world – a species of duck called the Madagascar pochard – has been given a new home in time for the new year.
• An international team of researchers released 21 of the birds at a lake in the north of Madagascar.

Because of this, three of the five species of rhinoceros are among the most endangered species in the world: the black rhino, the Javan rhino, and the Sumatran rhino. The Javan rhino is the closest to extinction with only between 46 to 66 individuals left, all of which are in Ujung Kulon National Park in Indonesia.

Some scientists date the Homo genus back only 100,000 years while others go back 11 million years and include Neanderthals, chimps and gorillas. Most say early humans first appeared between 2–3 million years ago. In common usage the word human generally just refers to Homo sapiens, the only extant species.