How many people for every panda?
Notes
How many people are there in the world for every panda? How many fish for every bird? How many ants for every krill? How many ducks for every elephant?
Sometimes it's difficult to tell whether a number is big or small. There are 3 million whales in the world, but is that a lot of whales or only a few?
Perhaps it helps to know that there are 22 whales for every hippopotamus and 35 hippopotamuses for every tiger. Or perhaps not.
Either way, this sequence takes you through a variety of animals, from endangered pandas to all-too-common bacteria, then lets you loose to answer such burning questions as the one in the title.
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Sources
Wikipedia – Lists of organisms by population
Wikipedia – List of birds by population
Wikipedia – List of carnivorans by population
Wikipedia – List of odd-toed ungulates by population
Wikipedia – List of even-toed ungulates by population
Wikipedia – List of primates by population
NPR – the two-way – Along With Humans, Who Else Is In The 7 Billion Club?
Springer Link – How many birds are there?
Smithsonian – buginfo – Numbers of Insects (Species and Individuals)
Images
Freepik – freevector – Panda Vectors
openclipart – microugly – Tiger Face
Freepik – Collection of arctic animals
Clker – OCAL – Hippopotamus 3 clip art
Freepik – katemangostar – Animal icons collection
openclipart – francesco_rollandin – Architetto -- Elefante 01
Freepik – Different forest animals in flat style
openclipart – PolyLingua – Horse
openclipart – kamil_stepinski – Pigeon
Freepik – Collection of dog breeds
Freepik – Medical statistics infographics
Freepik – Hand drawn farm animals
openclipart – rferran – Shrimp
openclipart – Anonymous – damselfly
Data
A summary of the data used in this presentation is shown below for easy reference
Populations
Giant Panda – 1,800
Tiger – 3,890
Polar bear – 25,000
Common Hippopotamus – 136,000
Common chimpanzee – 228,000
Elephant – 500,000
Moose – 1.5 million
Great Whales – 3 million
Mallard Duck – 17 million
Dometic horse – 58 million
Rock Dove – 260 million
Dog – 400 million
Domestic Cattle – 1.4 billion
Human – 7.35 billion
Domestic Chickens – 18.6 billion
Bird – 300 billion
Fish – 3.5 trillion
Antarctic Krill – 500 trillion
Ant – 30 quadrillion
Insect – 1019
Bacteria – 5 × 1030
Date
First published 30 January 2017