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Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total. Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs .
More than 99 percent of all species, amounting to over five billion species, [7] that ever lived on Earth are estimated to be extinct. [8] [9] Estimates on the number of Earth's current species range from 10 million to 14 million, [10] of which about 1.2 million have been documented and over 86 percent have not yet been described. [11]
105 species of lizards, in 35 genera from 9 families, are now known from Borneo. The reticulated python is the largest python in the world, and the longest snake in the world. This reptile can have a size of 6 metres (20 ft) or more.
The World's 100 most threatened species [1] is a compilation of the most threatened animals, plants, and fungi in the world. It was the result of a collaboration between over 8,000 scientists from the International Union for Conservation of Nature Species Survival Commission (IUCN SSC), along with the Zoological Society of London . [ 2 ]
In zoology, megafauna (from Greek μέγας megas "large" and Neo-Latin fauna "animal life") are large animals. The most common thresholds to be a megafauna are weighing over 46 kilograms (100 lb) [2] [3] [4] (i.e., having a mass comparable to or larger than a human) or weighing over a tonne, 1,000 kilograms (2,205 lb) [2] [5] [6] (i.e ...
While the majority of Brazil's fish species are native to the Amazon, the Paraná–Paraguay and the São Francisco river basins, the country also has an unusually high number of troglobitic fish, with 25 species (15% of the total in the world) known so far. [22] The most well-known fish in Brazil is the piranha. [23] Other aquatic and ...
Positioned on Broadway, in Manhattan, New York City, is the Charging Bull Statue, also called the Bull of Wall Street. The 7,100-pound bronze sculpture is 11 feet high and 16 feet long.
Critically endangered (CR) species face an extremely high risk of extinction in the wild. As of January 2020, the International Union for Conservation of Nature (IUCN) listed 203 critically endangered mammalian species, including 31 which are tagged as possibly extinct. [1] [2] Of all evaluated mammalian species, 3.5% are listed as critically ...