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Number of animals in the world
Here are the animals and their respective number estimated by researchers or statisticians.
We can only be amazed at all these species that swarm on the globe. It is unfortunate to note the little means given to botanists, zoologists, ornithologists, ichthyologists, entomologists, as well as to microbiology to index the living. While each year on the blue planet, 37 million acres are destroyed. Not to mention polluted land, degraded seas and oceans.
We should put the conquest of space aside, knowing that cosmic radiation poses an insoluble problem for the time being in terms of sending humans to the Moon or Mars. And instead focus on preserving the living. Maybe concentrate humans in green megacities and leave the open spaces to the living so that the diversity of the fauna and the flora prevail again.
So if we believe this table, on Earth, we have :
1 quindecillion (thousand of billion of quintillion of quintillion) of microorganisms,
100 decillion (quadrillion of quintillion) of akaryocytes,
500 setpillion (million of quintillion) of plants,
48 quintillion (billion of billion) of insects,
1 quintillion (billion of billion) of crustaceans,
190 quadrillion (million of billion) of molluscs,
45 quadrillion (million of billion) of fishes,
100 trillion (thousand of billion) of earthworms,
396 billion of mammals,
103 billion of reptiles,
31 billion of birds,
2.3 billion of amphibians.
| Number of insects in the world | ||||
|---|---|---|---|---|
| Animal | Type | Population | Source year | Source |
| Bacteria | Micro organism | 4 x 10^48 | 2011 | NPR |
| Viruses | Akaryocyte | 1 x 10^35 | 2017 | W3Ask |
| Phytoplanktons | Plant | 5 x 10^26 | 2017 | W3Ask |
| Protozoa | Protist | 1 x 10^25 | 2017 | W3Ask |
| Nematoda | Ecdysozoaire | 1 x 10^22 | 2017 | W3Ask |
| Mites | Insect | 4,8 x 10^19 | 2017 | W3Ask |
| Gastrotrichs | Meiobenthic | 1 x 10^19 | 2017 | W3Ask |
| Copepods | Crustacean | 1 x 10^18 | 2017 | W3Ask |
| Other algae | Plant | 3 x 10^17 | 2017 | W3Ask |
| Termites | Insect | 2,1 x 10^17 | 2011 | NPR |
| Snails | Mollusc | 1,9 x 10^17 | 2017 | W3Ask |
| Clover mites | Insect | 1 x 10^17 | 2017 | W3Ask |
| Rotifers | Micro organism | 1 x 10^17 | 2017 | W3Ask |
| Mosquitoes | Insect | 7 x 10^16 | 2017 | W3Ask |
| Marine fish | Fish | 4 x 10^16 | 2011 | NPR |
| Plants | Plant | 3 x 10^16 | 2017 | W3Ask |
| Flies | Insect | 1,7 x 10^16 | 2017 | W3Ask |
| Shellfish | Crustacean | 1,9 x 10^16 | 2017 | W3Ask |
| Grasshopers | Insect | 1,25 x 10^16 | 2017 | W3Ask |
| Gonostomatidae | Fish | 5 x 10^15 | 2015 | Broad, William J |
| Pillbugs | Insect | 3 x 10^15 | 2017 | W3Ask |
| Dust mites | Insect | 2,5 x 10^15 | 2012 | National Geographic |
| Aphids | Insect | 1 x 10^15 | 2017 | W3Ask |
| Coral polyps | Cnidarian | 1 x 10^15 | 2017 | W3Ask |
| Starfish | Echinoderm | 1 x 10^15 | 2017 | W3Ask |
| Sea urchins | Crustacean | 9 x 10^14 | 2017 | W3Ask |
| Antarctic krills | Crustacean | 5 x 10^14 | 2011 | NPR |
| Hemipteras | Insect | 5 x 10^14 | 2017 | W3Ask |
| Beetles | Insect | 3,5 x 10^14 | 2017 | W3Ask |
| Milipedes | Insect | 3 x 10^14 | 2017 | W3Ask |
| Slugs | Mollusc | 2,6 x 10^14 | 2017 | W3Ask |
| Fleas | Insect | 2,5 x 10^14 | 2017 | W3Ask |
| Crabs | Crustacean | 1,25 x 10^14 | 2006 | FAO |
| Ants | Insect | 1 x 10^14 | 2014 | BBC News |
| Earthworms | Lumbricina | 1 x 10^14 | 1974 | Nyle C. Brady |
| Ticks | Insect | 1 x 10^14 | 2017 | W3Ask |
| Squids | Mollusc | 7,3 x 10^13 | 2017 | W3Ask |
| Face mites | Insect | 6,5 x 10^13 | 2017 | W3Ask |
| Lices | Insect | 5 x 10^13 | 2017 | W3Ask |
| Bees | Insect | 5 x 10^13 | 2011 | FAO |
| Caterpillars | Insect | 5 x 10^13 | 2017 | W3Ask |
| Cockroaches | Insect | 4,4 x 10^13 | 2017 | W3Ask |
| Anchovies | Fish | 3,8 x 10^13 | 2010 | FAO |
| Wasps | Insect | 1,7 x 10^13 | 2017 | W3Ask |
| Sardines | Fish | 1,3 x 10^13 | 2009 | FAO |
| Jellyfish | Cnidarian | 1,3 x 10^13 | 2017 | W3Ask |
| Sowbugs | Insect | 1 x 10^13 | 2017 | W3Ask |
| Lovebugs | Insect | 1 x 10^13 | 2017 | W3Ask |
| Spiders | Insect | 9,7 x 10^12 | 2017 | The Washington Post |
| Mealybugs | Insect | 5 x 10^12 | 2017 | W3Ask |
| Trees | Plant | 3 x 10^12 | 2015 | The Independant |
| Bumblebees | Insect | 2,5 x 10^12 | 2017 | W3Ask |
| Moths | Insect | 1,6 x 10^12 | 2017 | W3Ask |
| Crickets | Insect | 1,25 x 10^12 | 2017 | W3Ask |
| Octopuses | Mollusc | 1,1 x 10^12 | 2017 | W3Ask |
| Cuttlefish | Mollusc | 1 x 10^12 | 2017 | W3Ask |
| Butterflies | Insect | 1 x 10^12 | 1986 | James A. Scott |
| Ladybugs | Insect | 1 x 10^12 | 2017 | W3Ask |
| Crown-of-thorns starfish | Echinoderm | 1 x 10^12 | 2017 | W3Ask |
| Silverfish | Insect | 1 x 10^12 | 2017 | W3Ask |
| Centipedes | Insect | 5 x 10^11 | 2017 | W3Ask |
| Mackerels | Fish | 4,7 x 10^11 | 2009 | FAO |
| Herrings | Fish | 3,9 x 10^11 | 2010 | FAO |
| Bedbugs | Insect | 3 x 10^11 | 2017 | W3Ask |
| Hornets | Insect | 2 x 10^11 | 2017 | W3Ask |
| Carps | Fish | 2 x 10^11 | 2017 | W3Ask |
| Earwigs | Insect | 2 x 10^11 | 2017 | W3Ask |
| Fireflies | Insect | 1,8 x 10^11 | 2017 | W3Ask |
| Mice | Mammal | 1,7 x 10^11 | 2017 | W3Ask |
| Wild rabbits | Mammal | 1,4 x 10^11 | 2017 | W3Ask |
| Dragonflies | Insect | 1 x 10^11 | 2017 | W3Ask |
| Soles | Fish | 1 x 10^11 | 2017 | W3Ask |
| Gobies | Fish | 1 x 10^11 | 2017 | W3Ask |
| Lizards | Reptile | 1 x 10^11 | 2017 | W3Ask |
| Holothuries | Echinoderm | 80,000,000,000 | 2017 | W3Ask |
| Hamsters | Mammal | 52,500,000,000 | 2017 | W3Ask |
| Leeches | Mollusc | 32,500,000,000 | 2017 | W3Ask |
| Salmons | Fish | 28,350,000,000 | 2017 | W3Ask |
| Mantises | Insect | 24,000,000,000 | 2017 | W3Ask |
| Chickens | Bird | 21,322,000,000 | 2014 | Statista |
| Tunas | Fish | 11,300,000,000 | 2011 | NPR |
| Cicadas | Insect | 10,000,000,000 | 2017 | W3Ask |
| Brown rats | Mammal | 9,780,511,000 | 2008 | The Sun |
| Humans | Mammal | 7,523,470,000 | 2017 | Worldometers |
| Squirrels | Mammal | 5,897,500,000 | 2017 | W3Ask |
| Scorpions | Insect | 5,000,000,000 | 2017 | W3Ask |
| Snakes | Reptile | 3,600,000,000 | 2017 | W3Ask |
| Trouts | Fish | 3,000,000,000 | 2017 | W3Ask |
| Hares | Mammal | 2,880,000,000 | 2017 | W3Ask |
| Frogs | Amphibian | 1,500,000,000 | 2010 | Live Science |
| Sparrows | Bird | 1,917,344,000 | 2012 | BirdLife International |
| Domestic ducks | Bird | 1,132,782,000 | 2014 | Jetpunk Data World |
| Black rats | Mammal | 1,015,670,000 | 2014 | Newsweek |
| Domestic sheeps | Mammal | 1,100,000,000 | 2017 | World Atlas |
| Stick insects | Insect | 1,000,000,000 | 2017 | W3Ask |
| Doves | Bird | 999,458,500 | 2012 | BirdLife International |
| Cows | Mammal | 998,300,000 | 2017 | Beef2live |
| Larks | Bird | 951,380,000 | 2012 | BirdLife International |
| Domestic goats | Mammal | 860,000,000 | 2017 | World Atlas |
| Morays | Fish | 800,000,000 | 2017 | W3Ask |
| Domestic pigs | Mammal | 784,830,000 | 2016 | Statista |
| Domestic rabbits | Mammal | 769,050,000 | 2014 | Jetpunk Data World |
| Toads | Amphibian | 750,000,000 | 2017 | W3Ask |
| Blackbirds | Bird | 710,229,700 | 2012 | BirdLife International |
| Domestic cats | Mammal | 625,000,000 | 2017 | World Atlas |
| Turkeys | Bird | 461,453,000 | 2014 | Jetpunk Data World |
| Domestic dogs | Mammal | 425,000,000 | 2017 | World Atlas |
| Wild boars | Mammal | 350,000,000 | 2017 | W3Ask |
| Woodpeckers | Bird | 337,067,000 | 2012 | BirdLife International |
| Quails | Bird | 301,565,000 | 2012 | BirdLife International |
| Pheasants | Bird | 300,473,000 | 2012 | BirdLife International |
| Swifts | Bird | 237,600,000 | 2012 | BirdLife International |
| Domestic birds | Bird | 250,000,000 | 2017 | Pet Secure |
| Hedgehogs | Mammal | 219,000,000 | 2017 | W3Ask |
| Crows | Bird | 210,349,000 | 2012 | BirdLife International |
| Stray dogs | Mammal | 200,000,000 | 2011 | WHO |
| Groupers | Fish | 200,000,000 | 2017 | W3Ask |
| Water buffaloes | Mammal | 172,000,000 | 2011 | MJAS |
| Domestic fish | Fish | 170,000,000 | 2017 | Pet Secure |
| Cuckoos | Bird | 161,029,000 | 2012 | BirdLife International |
| Petrels | Bird | 157,238,000 | 2012 | BirdLife International |
| Eels | Fish | 150,000,000 | 2017 | W3Ask |
| Pigeons | Bird | 127,266,700 | 2012 | BirdLife International |
| Guinea pigs | Mammal | 105,000,000 | 2017 | W3Ask |
| Ducks | Bird | 100,130,816 | 2012 | BirdLife International |
| Feral cats | Mammal | 100,000,000 | 2013 | Ecology Global Network |
| Lab animals | Mammal | 100,000,000 | 2017 | W3Ask |
| Spider crabs | Crustacean | 100,000,000 | 2017 | W3Ask |
| Prions | Bird | 89,300,000 | 2012 | BirdLife International |
| Weasels | Mammal | 80,000,000 | 2017 | W3Ask |
| Grouses | Bird | 80,125,600 | 2012 | BirdLife International |
| Jays | Bird | 76,415,000 | 2012 | BirdLife International |
| Shearwaters | Bird | 74,049,000 | 2012 | BirdLife International |
| Porcupines | Mammal | 62,790,000 | 2017 | W3Ask |
| Horses | Mammal | 58,000,000 | 2011 | FAOSTAT |
| Motmots | Bird | 51,105,000 | 2012 | BirdLife International |
| Wood rails | Bird | 50,503,000 | 2012 | BirdLife International |
| White-necked jacobins | Bird | 50,000,000 | 2012 | BirdLife International |
| Salamanders | Amphibian | 50,000,000 | 2017 | W3Ask |
| Trogons | Bird | 51,575,000 | 2012 | BirdLife International |
| Antarctic prions | Bird | 50,000,000 | 2017 | World Atlas |
| Ptarmigans | Bird | 48,000,000 | 2012 | BirdLife International |
| Deers | Mammal | 46,710,000 | 2000 | IUCN |
| Donkey | Mammal | 40,000,000 | 2011 | FAOSTAT |
| Owls | Bird | 42,262,000 | 2012 | BirdLife International |
| Murres | Bird | 40,000,000 | 2012 | BirdLife International |
| Willow ptarmigans | Bird | 40,000,000 | 2017 | World Atlas |
| Penguins | Bird | 39,808,700 | 2012 | BirdLife International |
| Terns | Bird | 38,600,000 | 2012 | BirdLife International |
| Auklets | Bird | 34,800,000 | 2012 | BirdLife International |
| Fulmars | Bird | 34,300,000 | 2012 | BirdLife International |
| Partridges | Bird | 34,068,600 | 2012 | BirdLife International |
| Marmots | Mammal | 30,000,000 | 2017 | W3Ask |
| Black grouses | Bird | 27,500,000 | 2017 | World Atlas |
| Blue-crowned motmots | Bird | 27,500,000 | 2017 | World Atlas |
| Gulls | Bird | 27,370,000 | 2012 | BirdLife International |
| Seals | Mammal | 26,139,000 | 2008 | IUCN |
| Kites | Bird | 21,312,000 | 2012 | BirdLife International |
| Puffins | Bird | 16,300,000 | 2015 | BirdLife International |
| Egrets | Bird | 16,233,000 | 2015 | BirdLife International |
| Herons | Bird | 16,172,000 | 2015 | Wetlands International |
| Eurasian wrynecks | Bird | 15,600,000 | 2012 | BirdLife International |
| Dromedaries | Mammal | 14,560,000 | 2005 | ICAR |
| Camels | Mammal | 14,000,000 | 2010 | Randome House Digital |
| Parakeets | Bird | 15,747,500 | 2012 | BirdLife International |
| Swordfish | Fish | 15,230,000 | 2009 | FAO |
| Duikers | Mammal | 13,234,000 | 2008 | IUCN |
| Hawks | Bird | 13,132,000 | 2012 | BirdLife International |
| Bee-eaters | Bird | 13,000,000 | 2012 | BirdLife International |
| Ferrets | Mammal | 12,500,000 | 2017 | W3Ask |
| Beavers | Mammal | 12,000,000 | 1988 | Nowak, Ronald M |
| Pinguins | Bird | 12,000,000 | 2017 | USA Today |
| Mules | Mammal | 10,000,000 | 2011 | FAOSTAT |
| Crakes | Bird | 10,984,300 | 2012 | BirdLife International |
| Cormorants | Bird | 10,786,000 | 2012 | BirdLife International |
| Kingfishers | Bird | 10,740,000 | 2012 | BirdLife International |
| Tinamous | Bird | 10,694,000 | 2012 | BirdLife International |
| Grebes | Bird | 10,649,200 | 2012 | BirdLife International |
| Falcons | Bird | 10,610,000 | 2012 | BirdLife International |
| Elks | Mammal | 10,030,000 | 2009 | Gohunt |
| Coypus | Mammal | 10,000,000 | 2017 | W3Ask |
| Capercaillies | Bird | 10,000,000 | 2012 | BirdLife International |
| Chameleons | Reptile | 10,000,000 | 2017 | W3Ask |
| Nightjars | Bird | 8,500,000 | 2012 | BirdLife International |
| Moorhens | Bird | 8,114,000 | 2012 | BirdLife International |
| Rays | Fish | 8,062,500 | 2017 | W3Ask |
| Coots | Bird | 8,023,000 | 2012 | BirdLife International |
| Chinchillas | Mammal | 7,000,000 | 2017 | W3Ask |
| Crocodiles | Reptile | 6,865,600 | 2014 | IUCN |
| Buzzards | Bird | 6,842,000 | 2012 | BirdLife International |
| Chachalacas | Bird | 6,496,000 | 2012 | BirdLife International |
| Vultures | Bird | 5,694,250 | 2012 | BirdLife International |
| Emeralds | Bird | 5,506,000 | 2012 | BirdLife International |
| Pootoos | Bird | 5,500,000 | 2012 | BirdLife International |
| Kangaroos | Mammal | 5,304,040 | 2008 | IUCN |
| Canaries | Bird | 5,230,000 | 2012 | BirdLife International |
| Geese | Bird | 5,042,700 | 2010 | Anthony D. Fox |
| Kestrels | Bird | 5,020,000 | 2012 | BirdLife International |
| jacamars | Bird | 5,015,500 | 2012 | BirdLife International |
| Capybaras | Mammal | 5,024,000 | 2017 | W3Ask |
| Timor Zebra Finches | Bird | 5,000,000 | 2017 | W3Ask |
| Roadrunners | Bird | 5,000,000 | 2012 | BirdLife International |
| Budgerigars | Bird | 5,000,000 | 2012 | BirdLife International |
| Alligators | Reptile | 5,000,000 | 2009 | Telegraph |
| Marlins | Fish | 4,700,000 | 2009 | FAO |
| Loons | Bird | 4,372,000 | 2012 | BirdLife International |
| Flamingos | Bird | 4,364,000 | 2012 | BirdLife International |
| Albatross | Bird | 3,839,400 | 2012 | BirdLife International |
| Armadillos | Mammal | 3,500,000 | 2017 | W3Ask |
| Ibises | Bird | 2,905,000 | 2012 | BirdLife International |
| Caribous | Mammal | 2,890,410 | 2016 | IUCN |
| Parrots | Bird | 2,613,000 | 2016 | UNEP-WCMC |
| Springboks | Mammal | 2,500,000 | 2008 | IUCN |
| Polecats | Mammal | 2,495,000 | 2017 | W3Ask |
| Ravens | Bird | 2,320,000 | 2015 | BirdLife International |
| Harriers | Bird | 2,159,000 | 2012 | BirdLife International |
| Swans | Bird | 2,158,000 | 2016 | Wetlands International |
| Plumbeous rails | Bird | 2,000,000 | 2012 | BirdLife International |
| Impalas | Mammal | 2,000,000 | 2008 | IUCN |
| Dik-diks | Mammal | 1,997,600 | 2008 | IUCN |
| Raccoons | Mammal | 1,600,000 | 2017 | W3Ask |
| Blue wildebeests | Mammal | 1,550,000 | 2008 | IUCN |
| Bats | Mammal | 1,521,300 | 2008 | IUCN |
| Magpies | Bird | 1,802,500 | 2004 | BirdLife International |
| Mooses | Mammal | 1,500,000 | 2008 | IUCN |
| Gazelles | Mammal | 1,494,000 | 2008 | IUCN |
| Bushbucks | Mammal | 1,340,000 | 2008 | IUCN |
| Merlins | Bird | 1,300,000 | 2012 | BirdLife International |
| Pangolins | Mammal | 1,280,000 | 2017 | W3Ask |
| Bluefin tunas | Fish | 1,270,000 | 2006 | IUCN |
| Eagles | Bird | 1,225,000 | 2012 | BirdLife International |
| Lovebirds | Bird | 1,002,210 | 2012 | BirdLife International |
| Pelicans | Bird | 1,193,900 | 2012 | BirdLife International |
| Sea turtles | Reptile | 1,140,000 | 2011 | FPIR NOAA |
| Pilot whales | Mammal | 1,158,000 | 2006 | Taylor, B. L., Baird, R. |
| Sturgeons | Fish | 1,008,000 | 2009 | IUCN |
| Jackals | Mammal | 1,000,000 | 2017 | W3Ask |
| Cockatiels | Bird | 1,000,000 | 2012 | BirdLife International |
| Lamas | Mammal | 1,000,000 | 2015 | IUCN |
| Coyotes | Mammal | 891,000 | 2017 | W3Ask |
| African buffaloes | Mammal | 890,000 | 2008 | IUCN |
| Elephant seals | Mammal | 889,000 | 2010 | IUCN |
| Cranes | Bird | 868,300 | 2012 | BirdLife International |
| Hummingbirds | Bird | 793,000 | 2012 | BirdLife International |
| Oribis | Mammal | 750,000 | 2008 | IUCN |
| Plains zebras | Mammal | 750,000 | 2015 | IUCN |
| Prairie chicken | Bird | 740,000 | 2012 | BirdLife International |
| Pronghorns | Mammal | 700,000 | 2008 | IUCN |
| Ostriches | Bird | 700,000 | 1979 | Perrins, Christopher |
| African leopards | Mammal | 700,000 | 2011 | IUCN |
| Foxes | Mammal | 672,100 | 2001 | IUCN |
| Bottle-nosed dolphins | Mammal | 600,000 | 2006 | IUCN red list |
| Steenboks | Mammal | 600,000 | 2008 | IUCN |
| Kudus | Mammal | 600,000 | 2008 | IUCN |
| Emperor pinguins | Mammal | 595,000 | 2012 | BBC News |
| Guanacos | Mammal | 589,750 | 2008 | IUCN |
| Elephants | Mammal | 550,000 | 2016 | The Guardian |
| American bisons | Mammal | 530,000 | 2008 | IUCN |
| Minky whales | Mammal | 515,000 | 2012 | SCIWC |
| Sea lions | Mammal | 503,958 | 2008 | IUCN |
| Meerkats | Mammal | 500,000 | 2015 | Natural History |
| Koalas | Mammal | 500,000 | 2012 | IUCN |
| Antelopes | Mammal | 492,000 | 2008 | IUCN |
| Gibbons | Mammal | 406,557 | 2008 | IUCN |
| Gemsboks | Mammal | 373,000 | 2008 | IUCN |
| Sunis | Mammal | 365,000 | 2008 | IUCN |
| Hartebeests | Mammal | 362,000 | 2008 | IUCN |
| Vicuñas | Mammal | 347,273 | 2008 | IUCN |
| Iguanas | Reptile | 300,000 | 2008 | Galapagos Org |
| Platypus | Mammal | 300,000 | 2008 | IUCN |
| Wombat | Mammal | 300,000 | 2008 | Taggart and Robinson |
| Grey wolves | Mammal | 300,000 | 2008 | IUCN |
| Chimpanzees | Mammal | 299,700 | 2008 | IUCN |
| Boobooks | Bird | 290,000 | 2012 | BirdLife International |
| Water chevrotains | Mammal | 278,000 | 2008 | IUCN |
| Amazons | Bird | 238,700 | 2012 | BirdLife International |
| Mongooses | Mammal | 219,000 | 2017 | W3Ask |
| Lechwes | Mammal | 212,000 | 2008 | IUCN |
| Reedbucks | Mammal | 210,000 | 2008 | IUCN |
| Gorillas | Mammal | 206,680 | 2008 | IUCN |
| Brown bears | Mammal | 200,000 | 2012 | IUCN |
| Waterbucks | Mammal | 200,000 | 2008 | IUCN |
| Geladas | Mammal | 200,000 | 2008 | IUCN |
| Lemurs | Mammal | 197,244 | 2008 | IUCN |
| Martens | Mammal | 187,000 | 2016 | V.G. Monakhov |
| Sitatungas | Mammal | 170,000 | 2008 | IUCN |
| Badgers | Mammal | 152,100 | 2017 | W3Ask |
| Hippopotamus | Mammal | 150,000 | 2008 | IUCN |
| Fennec foxes | Mammal | 150,000 | 2017 | W3Ask |
| Otters | Mammal | 142,640 | 2008 | IUCN |
| Common elands | Mammal | 136,000 | 2008 | IUCN |
| Kangaroo rats | Mammal | 134,000 | 2004 | IUCN |
| Pukus | Mammal | 130,000 | 2008 | IUCN |
| Marmosets | Mammal | 120,000 | 2003 | IUCN |
| Fin whales | Mammal | 119,000 | 2008 | Reilly, S.B.; Bannister, J.L |
| Mountain goats | Mammal | 119,000 | 2008 | IUCN |
| Dall sheeps | Mammal | 116,500 | 2008 | IUCN |
| Belugas | Mammal | 105,348 | 2000 | IUCN |
| Aldabra giant tortoises | Reptile | 100,000 | 2004 | Payne, Roger |
| Bryde's whales | Mammal | 100,000 | 2016 | AUT |
| Japanese serows | Mammal | 100,000 | 2008 | IUCN |
| Polynesian rats | Mammal | 100,000 | 2011 | Amos W., Nichols H. J |
| Giraffes | Mammal | 97,500 | 2016 | The Guardian |
| Gerenuks | Mammal | 95,000 | 2008 | IUCN |
| Sharpe's grysboks | Mammal | 95,000 | 2008 | IUCN |
| Ibex | Mammal | 90,000 | 2008 | IUCN |
| Toucans | Bird | 80,000 | 2012 | BirdLife International |
| Hyaenas | Mammal | 77,000 | 2013 | IUCN |
| Orangutans | Mammal | 76,300 | 2008 | IUCN |
| Kiwis | Bird | 74,000 | 2012 | BirdLife International |
| Emus | Bird | 70,000 | 2017 | W3Ask |
| East African oryx | Mammal | 67,000 | 2008 | IUCN |
| Bettongs | Mammal | 63,400 | 2008 | IUCN |
| Leatherback turtles | Reptile | 60,000 | 2017 | WWF |
| Blackbucks | Mammal | 50,000 | 2008 | IUCN |
| Killer whales | Mammal | 50,000 | 2013 | IUCN Red List |
| Bonobos | Mammal | 50,000 | 2008 | IUCN |
| Okapis | Mammal | 50,000 | 2013 | Hart |
| Cougars | Mammal | 50,000 | 2008 | IUCN |
| Grizzly bears | Mammal | 45,075 | 2012 | Canadian ministry of forests |
| Peafowls | Mammal | 45,000 | 2005 | IUCN |
| Manatees | Mammal | 43,296 | 2008 | IUCN |
| Macaques | Mammal | 43,269 | 2008 | IUCN |
| Klipspringers | Mammal | 42,000 | 2008 | IUCN |
| Langurs | Mammal | 37,364 | 2008 | IUCN |
| Lynx | Mammal | 37,350 | 1994 | De Beaufort |
| Cassowaries | Bird | 34,000 | 2012 | BirdLife International |
| Nyalas | Mammal | 32,000 | 2008 | IUCN |
| Gaurs | Mammal | 30,000 | 2008 | IUCN |
| Pumas | Mammal | 30,000 | 2017 | W3Ask |
| Greenland sharks | Fish | 28,000 | 2017 | W3Ask |
| Bongos | Mammal | 28,000 | 2008 | IUCN |
| Hammerhead sharks | Fish | 26,500 | 2005 | NOAA Fisheries |
| Blue whales | Mammal | 25,000 | 2008 | IUCN |
| Galapagos giant tortoises | Reptile | 25,000 | 2012 | Galapagos Org |
| Tamarins | Mammal | 23,400 | 2008 | IUCN |
| Tapirs | Mammal | 22,500 | 2017 | W3Ask |
| Warthog | Mammal | 22,250 | 2016 | Swanepoel et al |
| Gray whales | Mammal | 22,000 | 2008 | IWC Office |
| Sawshark | Fish | 21,000 | 2017 | W3Ask |
| White rhinoceros | Mammal | 20,150 | 2011 | The Guardian |
| Giant elands | Mammal | 20,000 | 2008 | IUCN |
| Red-eared guenons | Mammal | 20,000 | 2008 | IUCN |
| Lions | Mammal | 20,000 | 2015 | IUCN |
| Saigas | Mammal | 19,020 | 2003 | IUCN |
| Woylies | Mammal | 18,000 | 2011 | IUCN |
| Leopard seals | Mammal | 18,000 | 2008 | IUCN |
| Black wildebeests | Mammal | 18,000 | 2008 | IUCN |
| Grey rheboks | Mammal | 18,000 | 2008 | IUCN |
| Tarucas | Mammal | 17,000 | 2008 | IUCN |
| Right whales | Mammal | 15,423 | 2009 | Kenney, Robert D |
| Jaguars | Mammal | 15,000 | 2011 | WWF |
| Wild yaks | Mammal | 15,000 | 2008 | IUCN |
| Grey reef sharks | Fish | 15,000 | 2017 | W3Ask |
| Bohead whales | Mammal | 14,510 | 2008 | CDFO |
| Indian leopards | Mammal | 14,000 | 2014 | World Atlas |
| Surilis | Mammal | 13,000 | 2008 | IUCN |
| Anteaters | Mammal | 11,250 | 2017 | W3Ask |
| Sifakas | Mammal | 10,480 | 2008 | IUCN |
| Basking sharks | Fish | 10,100 | 2007 | DFO MPO |
| Javan rusas | Mammal | 10,000 | 2008 | IUCN |
| Red pandas | Mammal | 10,000 | 2015 | IUCN |
| Coelacanths | Fish | 10,000 | 2008 | IUCN |
| Kangaroo mice | Mammal | 10,000 | 2008 | IUCN |
| Red gorals | Mammal | 10,000 | 2008 | IUCN |
| Southern pudús | Mammal | 10,000 | 2008 | IUCN |
| Tasmanian devils | Mammal | 10,000 | 2007 | IUCN |
| Eastern box turtles | Reptile | 10,000 | 2005 | J.C. Lee pers. |
| Silky sharks | Fish | 10,000 | 2017 | W3Ask |
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