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481429
Caption: Estimated number of known living species. The majority of species are still unknown, yet to be described by taxonomists.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 82.38 MB
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47946
Caption: Tiger at the Edge
Artist: Christopher Zacharow
Release: Not Applicable
File Size: 29.96 MB
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53989
Caption: Sheltering Animals
Artist: David Tillinghast
Release: Not Applicable
File Size: 29.91 MB
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481442
Caption: Chinese alligator (Alligator sinensis), an endangered species
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.85 MB
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507537
Caption: Ichthyosaur (Ichthyosaurus)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 11.17 MB
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481214
Caption: Mission blue butterfly (Icaricia icarioides missionensis), an endangered species
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.86 MB
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481543
Caption: Largetooth sawfish (Pristis perotteti), an endangered species
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.85 MB
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481393
Caption: Ethiopian wolf (Canis simensis), an endangered species
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.85 MB
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481322
Caption: Philippine eagle (Pithecophaga jefferyi), an endangered species
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.85 MB
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481224
Caption: Whooping crane (Grus americana), an endangered species
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.86 MB
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481054
Caption: Leatherback sea turtle (Dermochelys coriacea), an endangered species
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.86 MB
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481472
Caption: Classification tree of the species Homo sapiens (modern humans) within the order Primates.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 10.43 MB
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481236
Caption: Giant otter (Pteronura brasiliensis), an endangered species
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.85 MB
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481172
Caption: Northern white rhinoceros (Ceratotherium simum cottoni), an endangered species
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.85 MB
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481245
Caption: The increase in hominin cranial capacity through various species over time.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 14.74 MB
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40562
Caption: Different Birds In Tree
Artist: Stanley Martucci
Release: Not Applicable
File Size: 30.04 MB
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44363
Caption: Animals According To Size
Artist: Andrew Shiff
Release: Not Applicable
File Size: 30.10 MB
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47942
Caption: Exotic Birds on an Antenna
Artist: Christopher Zacharow
Release: Not Applicable
File Size: 29.90 MB
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494912
Caption: praying mantis on leaf
Artist: Todd Davidson
Release: Not Applicable
File Size: 69.69 MB
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53589
Caption: People Emerging from Globe
Artist: Pierre Cornuel
Release: Not Applicable
File Size: 29.95 MB
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506719
Caption: Depiction of the extinct genus Hyaenodon
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 8.91 MB
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58758
Caption: Deer's by stream in forest
Artist: Jeannine Fallert
Release: Not Applicable
File Size: 60.02 MB
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481226
Caption: Dugong (Dugong dugon)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 16.83 MB
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481155
Caption: Dugong (Dugong dugon)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 7.70 MB
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481357
Caption: Indri (Indri indri)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 18.60 MB
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48019
Caption: Doctor Pushing Elephant
Artist: Paul Anderson
Release: Not Applicable
File Size: 30.97 MB
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481459
Caption: Survivorship curves showing the idealized survivorship patterns of three categories of organisms.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 57.43 MB
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481234
Caption: West Indian Manatee (Trichechus manatus)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 15.28 MB
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481366
Caption: Dodo (Raphus cucullatus)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 13.90 MB
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481060
Caption: Aye-aye (Daubentonia madagascariensis)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 13.25 MB
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40557
Caption: Explorer In Jungle With Binoculars
Artist: Stanley Martucci
Release: Not Applicable
File Size: 43.14 MB
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481076
Caption: Sketch of Anomalocaris canadensis. Members of the genus Anomalocaris were the largest marine predators of the Cambrian Period.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 8.45 MB
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481221
Caption: Two phylogenies based on the amount of change in macromolecules.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 14.02 MB
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506750
Caption: Notharctus, an extinct genus of small primates from the Eocene Epoch that shares many similarities with modern lemurs
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 12.50 MB
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2636
Caption: Panda cub playing on tree branch in snowfall, close-up
Artist: Andrea Pecchia
Release: Not Applicable
File Size: 31.75 MB
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481098
Caption: Green turtle (Chelonia mydas)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.96 MB
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481550
Caption: American bison (Bison bison)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 12.15 MB
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481209
Caption: Male drill monkey (Mandrillus leucophaeus)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 14.29 MB
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481453
Caption: Sei whale (Balaenoptera borealis)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 7.57 MB
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481063
Caption: Numbat or banded anteater (Myrmecobius fasciatus)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 14.04 MB
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481428
Caption: Male western lowland gorilla
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.20 MB
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481513
Caption: Fin whale (Balaenoptera physalus)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 5.49 MB