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The dense tropical Amazon rainforest is the largest tropical rainforest in the world. [2] It covers between 5,500,000 and 6,200,000 square kilometres (2,100,000 and 2,400,000 sq mi) of the 6,700,000 to 6,900,000 square kilometres (2,600,000 to 2,700,000 sq mi) Amazon biome. The somewhat vague numbers are because the rainforest merges into ...
The Amazon rainforest, [a] also called Amazon jungle or Amazonia, is a moist broadleaf tropical rainforest in the Amazon biome that covers most of the Amazon basin of South America. This basin encompasses 7,000,000 km 2 (2,700,000 sq mi), [ 2 ] of which 6,000,000 km 2 (2,300,000 sq mi) are covered by the rainforest . [ 3 ]
The Amazon rainforest is a species-rich biome in which thousands of species live, including animals found nowhere else in the world. To date, there is at least 40,000 different kinds of plants, 427 kinds of mammals, 1,300 kinds of birds, 378 kinds of reptiles, more than 400 kinds of amphibians, and around 3,000 freshwater fish are living in Amazon.
Big-headed Amazon River turtle; Birds of the Amazon; Black agouti; Black caiman; Black-capped squirrel monkey; Black-tailed marmoset; Boa constrictor; Bolitoglossa caldwellae; Bothrops bilineatus smaragdinus; Brown agouti; Brown four-eyed opossum; Brown fruit-eating bat; Brown-throated sloth; Bush dog
The total number of undescribed organisms is unknown, but marine microbial species alone could number 20,000,000. [12] For this reason, the number of quantified species will always lag behind the number of described species, and species contained in these lists tend to be on the K side of the r/K selection continuum.
Over 1,300 of these species are types of birds, which accounts for one-third of all bird species in the world. The diets of rainforest birds greatly differ between species, although, nuts, fruits and leaves are a common food for many birds in the Amazon. Birds migrate to the Amazon rainforest from the North or South.
An important characteristic of the diversity of the Amazon Basin is that many species are rare or distributed erratically throughout the Amazonian forest. This introduces an phenomenon known as the "sample effect", which suggests that the absence of species from the experimental fragments may be due to the fact that they were not present during ...
Most species tend to grow in areas that are subjected to the river flood pulse, but not in areas that are influenced by the sea and tides. [11] This results in waterlogged or flooded conditions for up to seven months of the year, and consequently plant species numbers in the várzea are lower than the non-flooded terra firme forests. [1]