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Mammals - Sudden Death

Some of these animals are mammals. Others are not. Click on the mammals without clicking on anything else!
Quiz by Berney
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Last updated: November 25, 2024
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First submittedNovember 21, 2024
Times taken51,896
Average score56.3%
Rating4.82
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Sudden Death. Clicking a wrong answer ends the quiz!
Aardvark
Alpaca
Anaconda
Avocet
Bush baby
Caracal
Chinchilla
Egret
Emu
Grayling
Grouper
Guppy
Herring
Impala
Kiwi
Koala
Lobster
Macaw
Manatee
Narwhal
Orangutan
Platypus
Puffin
Scallop
Sperm whale
Tapir
Tasmanian devil
Tilapia
Toucan
Warthog
Whale shark
Wolverine
28 Comments
+6
Level 64
Nov 22, 2024
I believe that this quiz should either exclude marsupials, or mention that marsupials are considered mammals for the purposes of this quiz.
+55
Level 82
Nov 22, 2024
When have marsupials not been considered mammals? From the Wikipedia dsecription "Marsupials are a diverse group of mammals belonging to the infraclass Marsupialia." To take a specific example, i.e. koala, it is classified as Domain (Eukaryota), Kingdom (Animalia), Phylum (Chordata), Class (Mammalia).
+35
Level 79
Nov 22, 2024
Weird for you to call out the marsupials but not the egg-laying monotreme. Regardless, they've been classified as mammals for over two centuries and not just "for the purposes of this quiz."
+16
Level 72
Nov 22, 2024
Not to “um ackshually” but yeah, they’ve never been considered anything but mammals.
+8
Level 80
Feb 1, 2025
I believe you should better learn the definition of mammal
+1
Level 43
Feb 24, 2025
Dude Marsupials ARE Mammals. There are only 5 different groups of animals that scientists made (Mammals, Fish, Amphibians, Reptiles, and Birds). Marsupials are not one of those groups
+2
Level 45
Feb 24, 2025
yes, marsupials are mammals, but there are WAY more classifications of animals than that
+2
Level 67
Feb 24, 2025
Those 5 "different" groups (only different if you, unlike those scientists, don't care about monophyly) are only 5% of all animal species
+1
Level 68
Feb 24, 2025
5% is pretty high. Of the 2.2 million described animal species, about 70.000 (3%) are vertebrates, and that's not taking into account that there are likely millions of undescribed species out there, many of them invertebrates because they receive less attention, are harder to detect and harder to tell apart.
+2
Level 68
Feb 24, 2025
Kind of impressive to correct someone just to immediately follow it up with such a blatantly false statement. Not only did you ignore all the invertebrates (and the Cyclostomi), two of the five groups you mentioned are taxonomically obsolete and only used informally.
+1
Level 43
Feb 24, 2025
which two?
+1
Level 74
Feb 24, 2025
I asume he means fish (which encompasses all of the mentioned groups) and maybe birds, which are reptiles. Although, the deeper you go into phylogeny, the messier it gets anyways.
+2
Level 69
Feb 24, 2025
Bony fish are more closely related to Mammals than they are to cartilaginous fish. So a Tuna is a closer cousin to Humans than it is to a Shark. Lumping all 'fish' into one group doesn't make much sense outside a seafood restaurant.
+1
Level 69
Feb 24, 2025
I think you're confusing animals with vertebrates. Animals would also include 'groups' such as Arthropods (Insects, Spiders, etc), Molluscs (Snails, Octopus, etc), Cnidarians (Jellyfish, Corals, etc), not to mention dozens of different groups of worms (e.g. Nematodes).
+5
Level 45
Nov 28, 2024
Wow 16/16!
+11
Level 62
Jan 30, 2025
extinction ahh quiz title
+4
Level 72
Jan 30, 2025
I unfortunately didn't know a lot of the animals so that made it extra challenging. Other than that it was a very enjoyable quiz!
+6
Level 54
Jan 31, 2025
my dumbass forgot that whales are mammals
+1
Level 73
Jan 31, 2025
Got em all 53 seconds, wish caracals were higher I love them
+1
Level 63
Feb 3, 2025
Beat you, i did it in 28!
+7
Level 43
Feb 24, 2025
Opened the quiz, clicked "Whale Shark", lost.

Great start.

+1
Level 69
Feb 24, 2025
Caracal tricked me. I thought it was a bird because I was thinking of caracara.
+1
Level 26
Mar 14, 2025
What are caracals?
+1
Level 82
Mar 14, 2025
A member of the cat family, native to Africa and parts of Asia.
+1
Level 26
Mar 14, 2025
I got 15/16 because of them
+1
Level 63
Mar 25, 2025
Super easy, barely an inconvenience.
+1
Level 23
Apr 4, 2025
guess on narwhal lol
+1
Level 51
Apr 23, 2025
First try 100% woohoo good thing ik what a bush baby is