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Head to Head - Animals

We put various animals head to head with each other in a series of stand offs! Can you select the correct animal in each scenario?
Quiz by Stewart
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Last updated: January 22, 2021
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First submittedJanuary 22, 2021
Times taken44,633
Average score80.0%
Rating4.83
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1. Which of these is flightless?
The ostrich is flightless, while swans can fly hundreds of miles if necessary
2. Which of these went extinct earlier?
Woolly Mammoths went extinct around 4000 years ago, while Dodo birds were last seen in the 17th century
3. Which of these lives a shorter life (on average)?
Houseflies live for a few weeks, while dragonflies live for a few months to a few years
4. Which of these has an IUCN conservation status of 'Critically Endangered'?
Hippos are considerd "vulnerable" while Orangutans are "Critically Endangered"
5. Which can live to an older age?
Galápagos tortoises have lived up to 177 years, while orcas only live to around 80
6. Which is more numerous in total, ants or fish?
There are an estimated 10 quadrillion ants in the world, whilst best estimates put the total fish in the world at around 3.5 trillion
7. Which of these is a mammal?
All sharks are considered fish, while bats are the only mammal capable of sustained flight
8. Which of these has a longer gestation period?
Giraffes average around 430 days, while Zebras average around 375 days
9. Which of these sleeps longer per day?
Giant Armadillos sleep for around 18 hours per day, while Giant Pandas sleep for only a few hours each day
10. Which of these is a type of fish?
Whilst being known as "walking fish", Axolotls are actually amphibians, whereas a Red Lionfish is a type of fish.
11. Which of these is primarily nocturnal?
Wolves are primarily nocturnal predators, whereas Chimpanzees, much like (most) humans, are diurnal animals
12. Which of these has more than one heart?
An Octopus has 3 hearts. Cockroaches were believed to have 13 hearts, but it is in fact a single heart divided into 13 chambers.
13. Which of these is poisonous to humans?
A common toad has enough toxins in its skin to be lethal to humans. However, most snakes are venomous not poisonous, and so a Python (shown) is neither.
14. Which of these is not a type of bear?
The Spectacled Bear is a type of bear. However the Red Panda, despite their name, are not actually related to Panda bears and are actually a type of their own distinct from bears.
15. Which of these lives in the Arctic?
All species of Penguins live in the Southern Hemisphere (except Galapagos Penguins on the equator), whereas Polar Bears are exclusively in the Arctic.
+2
Level 65
Jan 22, 2021
Only 60%, but great quiz!
+2
Level 75
Jan 23, 2021
Fun and easy! Great quiz :D
+1
Level 60
Jan 23, 2021
The octopus looks scary (ʘ言ʘ╬) other than it's a wonderful quiz
+1
Level 75
Jan 28, 2021
Big fan of these multiple choice picture quizzes, good work!

Nitpicking, the explanations for #12 and #13 are a little bit awkward. Both could do with a full stop or semi-colon before the word "while".

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Level 68
Jan 28, 2021
Fixed thanks!
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Level 72
Mar 28, 2021
I read somewhere that a few days ago 2 tipes of African elephants became "Critically Endangered/Endangered" :(
+1
Level 68
Mar 28, 2021
It seem you're correct! I have updated that question now, thank you
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Level 60
Jun 4, 2021
I picked snake, because i though the head was triangle.
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Level 72
Jan 25, 2023
Even then, it would be venomous, not poisonous. Remember, "If you bite it and you die it's poison, but if it bites you and you die, that's venom".
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Level 55
Feb 4, 2024
the risk of the former seems a whole lot less than the latter
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Level 44
Mar 12, 2024
Not all triangle headed snakes are venomous. Same goes with the notion that round eyed snakes are non-venomous and snakes with slits are venomous. EG - The king cobra has round eyes without slits and it one of the most dangerous and venomous snakes in the world.
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Level 85
Jul 2, 2021
Re the explanation for the correct answer on the sleeping question: www.pandasinternational.org says "Pandas sleep about 10 hours a day, two to four hours at a time."
+4
Level 84
Jul 2, 2021
I'd like to request a recount on the ants/fish.
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Level 55
Jul 3, 2021
Yeah, I was about to put ants, but then I pictured one of those schools of sardines, with over a million of them.

Apparently, the ant population increases by 8% annually, so next year there will be 10,800,000,000,000,000 ants. My foot's getting a lot of exercises stepping on them!

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Level 18
Jun 13, 2022
thank you for the insight- splash
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Level 84
Jul 3, 2021
While water only makes up 71% of the Earth's surface, the sea is three-dimensional, while the habitable space on land is virtually flat. Because of this, the oceans make up 99% of the habitable space on this planet, and an estimated 50-80% of all life on earth is found under the ocean surface. While the definition of "fish" is not well defined, the number of creatures that meet some expert's definition of "fish" would be enormous, and only a poor estimate. The habitable volume of the ocean is so huge that barely a fraction of ocean creatures have been discovered, whereas most of the world's land creatures have been catalogued (and will soon be extinct).
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Level 82
Jul 7, 2021
I'm sure that the top several meters of soil to an ant seems both three dimensional and quite spacious. I'm also sure that there are still many ants never catalogued. Though they're quite hardy so they might not go extinct even with the rapid destruction of their habitats.
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Level 84
Jul 8, 2021
"whereas most of the world's land creatures have been catalogued (and will soon be extinct)."

Sure, sure....I'm feeling a bit woozy here myself.

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Level 68
Jul 6, 2021
:)
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Level 72
Jul 6, 2021
Nice quiz--now I know the difference between venomous and poisonous.

The first question should be "Which of these IS flightless." You use the singular in each of the following questions.

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Level 57
Jul 6, 2021
I wonder if there will ever be a day when ants go extinct.
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Level 60
Jul 6, 2021
Well duh. The sun won’t last forever. (sun blows up in the background)
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Level 59
Jul 6, 2021
Of course the Pinguinus impennis lived in the northern hemisphere. ;)
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Level 68
Jul 6, 2021
Thank you Stewart - big fan of your quizzes.
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Level 65
Jul 6, 2021
Nice one. Thanks. How interesting that the sleep question is such an outlier,
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Level 92
Jul 6, 2021
Ugh. Read that as "type of bear" instead of "NOT a type of bear".
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Level 88
Jul 6, 2021
I did the same thing...could have sworn it said "Which of these is a type of bear."
+1
Level 65
Jul 6, 2021
I was tricked into thinking the dragon fly was a may fly for quite a while there. :)
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Level 62
Jul 6, 2021
Huh, I had heard dragonflies only live a few days.
+3
Level 60
Jul 8, 2021
Adult dragonflies can live from a week to two months. Flies about one month. But flies go from larvae to adult in just a couple of days, while dragonflies can be in their larvae (nymph) stage for up to 5 years.
+1
Level 67
Jul 7, 2021
Wow I didn't really know about toads being poisonous
+1
Level 45
Jul 10, 2021
great quiz - thank you
+1
Level 59
Aug 10, 2021
Wow, I got all of them in one go! I'm surprised that lots of people didn't know that armadillos sleep for a long time
+1
Level 67
Mar 30, 2024
I didn't know, but could imagine it, being curled up. While I have hardly ever seen pandas sleep. Laze around sure, they are great loungers, and tumblers!

Also surpised at the big drop-off.

Got all correct happy to say. Though the giraffe one I wasn't convinced of, wouldn't have been too surprised if I had guessed wrong.

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Level 67
Aug 20, 2021
I believe that the wolf photograph is actually of a coyote.
+1
Level 74
Nov 29, 2021
That was my first thought too, though I'm not sure. Either way, it doesn't change the question since coyotes are primarily nocturnal.
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Level 49
Jan 26, 2022
missed the sleep question
+1
Level 61
May 9, 2022
14 correct because I thought the arctic was Antartica :(
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Level 44
Mar 12, 2024
Antarctic = Antarctica
+1
Level 77
Aug 20, 2022
Well played on the snake vs toad one.
+1
Level 49
Oct 22, 2022
I read fLightless as fightless, as in has no way of protecting themselves against predators
+1
Level 76
Apr 30, 2023
Dang lazy armadillos.
+1
Level 46
Jan 1, 2024
Please correct number 12, I chose the right answer but the result says it's wrong.
+1
Level 68
Jan 2, 2024
The quiz is correct already. Read the post-quiz explanation:

An Octopus has 3 hearts. Cockroaches were believed to have 13 hearts, but it is in fact a single heart divided into 13 chambers.

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Level 67
Jan 7, 2024
I just picture a Panda's sleeping all day.
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Level 67
Mar 30, 2024
Nah just chilling and tumbling and falling backwards off things. I picture them lounging in a hammock, and then after a while for the hell of it deliberately fall out of in. And then climb back in to hang out for a little while again.