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The average global population of all mature birds is estimated to be on the order of 100 billion individuals. [1] [2] [3] The total population including younglings is somewhat higher during the breeding season of each species. [3] This list is incomplete, because experts have not estimated all bird numbers.
This article lists living orders and families of birds. In total there are about 11,000 species of birds described as of 2024, [1] though one estimate of the real number places it at almost 20,000. [2] The order passerines (perching birds) alone accounts for well over 5,000 species.
The goal of the project was to produce an illustrated guide to all of the birds of the world; its first iteration was in the 17-volume Handbook of the Birds of the World, published by Lynx Edicions over the course of 22 years, from 1992 to 2014.
A May 2016 study based on scaling laws estimated that 1 trillion species (overwhelmingly microbes) are on Earth currently with only one-thousandth of one percent described, [28] [29] though this has been controversial and a 2019 study of varied environmental samples of 16S ribosomal RNA estimated that there exist 0.8-1.6 million species of ...
The worldwide bird group will begin renaming birds that are named after people, starting with 70-80 in the US and Canada. Worldwide group will begin renaming birds, including these 10 from NC ...
eBird is an online database of bird observations providing scientists, researchers and amateur naturalists with real-time data about bird distribution and abundance.Originally restricted to sightings from the Western Hemisphere, the project expanded to include New Zealand in 2008, [1] and again expanded to cover the whole world in June 2010.
This is a list of national birds, including official birds of overseas territories and other states described as nations. Most species in the list are officially designated. Most species in the list are officially designated.
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