Animals by unique attributes quiz

Do you know which animals, or specific species of animals have these unique attributes?
These animals may be species unique among their families, or larger taxonomic groups unique among broader groups such as phyla, or even all animals.
Unless otherwise stated that the animal is extinct, assume all animals are extant.
Quiz by HelveticaBold
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Last updated: June 3, 2016
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First submittedJune 3, 2016
Times taken41
Average score29.4%
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The only cat species that can't retract its claws
Cheetah
The only mammal that can fly
Bat
The only bird that can fly backwards
Hummingbird
The only penguin species that lives in the northern hemisphere
Galapagos penguin
The only animal besides humans that can get leprosy
Armadillo
The only mammal that can see in UV light
Reindeer
The only insect that can turn its head
Praying mantis
The only shark that lives in freshwater
River shark
The only bird species that is a foregut fermenter
Hoatzin
The only great whale species that doesn't migrate
Bowhead whale
The only poisonous snake species
Japanese grass snake
Common garter snake
The only parthenogenetic snake species
Brahminy blind snake
The only bird species without wings (extinct)
Moa
The only bee species that may die after stinging
Honey bee
The only cephalopod that is iteroparous (doesn't die after mating)
Vampire squid
The only animal that shows the white of its eyes
Humans
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