Endangered Species Day 2019: List of Most Threatened Animals and Plants in the U.S. and World. The IUCN Red List plays an important role in this as the world's most comprehensive information source on the conservation status of animal, fungi and plant species. Scientists surmise that ants comprise from 15 to 25 percent of the earth's animal biomass. There are approximately 1.2 million known species of animals, but scientists estimate there are closer to 8.7 million species on earth. There are 195 countries in the world today. World population estimates from 1800 to 2100, based on "high", "medium" and "low" United Nations projections in 2015 and UN historical estimates for pre-1950 data Population growth graph World population percentage by country In demographics, the world population is the total number of humans currently living, and was estimated to have reached 7.8 billion people as of March 2020. There are about 375,000 species of plants, with more being discovered each year. CONTENTS. It took over 200,000 years of human history for the world's population to reach 1 billion, and only 200 years more to reach 7 billion.. Our Ten Most Endangered Species. There are two different types of sloths, two-toed and three-toed, and six species: Pygmy three-toed sloth (Bradypus pygmaeus) Maned sloth (Bradypus torquatus) Pale-throated sloth (Bradypus tridactylus) Brown-throated sloth (Bradypus variegatus) Linnaeus’s two-toed sloth (Choloepus didactylus) Hoffman’s two-toed sloth (Choloepus hoffmanni) Here are some big issues that experts say we should be watching in 2019: Climate Chaos. As of 2018, there are somewhere around 34,000 recognized species of fish. As the world struggles to confront climate change and biodiversity loss, six of Earth's seven species of sea turtles are considered threatened or endangered. There are 12,762 known species of ants, and the estimated number of total ant species is more than 22,000. If we look at the long-term trend since 1961, the number of beehives in the US has fallen significantly. There will be more blood, more habitat loss, more legislative attacks and more extinctions — but at the same time, there will also be signs of hope and progress on many levels. “Today, there are only two rhinos of the northern white rhino left, both of which are female,” says Bas Huijbregts, African Species Manager at the World Wildlife Fund. As of 2018, there are somewhere around 34,000 recognized species of fish. There’s no definitive answer for this question because we haven’t identified everything that exists, and it’s hard to get definite answers on how many of some groups that we have identified. Find out more on The IUCN Red List website or by downloading The IUCN Red List brochure. There are 195 countries in the world today. There are at least 44 species of dolphins divided into oceanic and river families and they are found in waters all over the world. There are events going on across the world to support endangered species. If you add in the world's species that aren't plants or animals, such as lichens, mushrooms and bacteria, the total number of species leaps much higher. The Seven Extant Species of Sea Turtles are: The Green, Loggerhead, Kemp's Ridley, Olive Ridley, Hawksbill, Flatback, and Leatherback. Researchers Bert Holldobler and Edward O. Wilson wrote a book called "The Ants," in which they estimate that there are over 10 quadrillion ants on the planet. Many species of Pokémon are capable of evolving into a larger and more powerful creature. Our group, the chordates , is light years away from this figure, since it is made up of some 61,000 species (4% of the species), being surpassed by that of the molluscs, with some 85,000 species. How Many Animals Are There In The World? In demographics, the world population is the total number of humans currently living, and was estimated to have reached 7.7 billion people as of April 2019. A s you view the endangered animals on our list of the 10 Most Endangered Animal Species, please keep in mind is that there currently are thousands of birds and animals that may not be with us in a couple of decades. Some 297,326 species of plants have been identified, of which 258,650 are flowering and … ; or it has been merged with other species so the range, population size, … There are multiple ways to trigger an evolution including reaching a particular level, using a special stone, or learning a specific attack. How many honey bees are in the US? WWF is committed to saving endangered species. Within animals, arthropods are the group with the most species, with about 1.2 million species (1 million of which are insect species), representing 86% of all known animals. FAOSTAT says there were 2,669,000 hives in the USA in 2017 (the latest year they have available as of June 2019). How Many Dog Breeds Are There? There are approximately 3.04 trillion trees in the world.That’s a huge number that looks even more impressive when it’s written out: 3,040,000,000,000. We need to put extra effort to maintain the remaining population of bees. Not included in this total count of 195 countries are: Taiwan - the United Nations considers it represented by the People's Republic of China