What is Street Creatures?  This is the game I run on Twitter every Friday. I’ve
collected all the past quizzes here in one place so you can either relive them, or play
them for the first time.

How does it work?  Provided are four, seemingly unrelated clues, that are all
connected by a wild organism that can be found in a city. Look at the four clues,
do some research, and when you think you’ve figured it out, click on ‘Answer’
to reveal what connects the clues, and how they are connected.

Follow me on Twitter to play #StreetCreatures live every Friday at 9am PST.

Quiz #15 Clues

Greek garment
Butterfly shells

Answer (Don't click until you've solved it)


Greek garment:

The chiton was a classic garment worn in ancient Greece, and in fact, where our marine mollusks got their names.

Butterfly shells:

Chitons have overlapping plates on their backs. These individual plates resemble butterflies and can be found washed up on shorelines. 

Learn more.


This is basically the chiton’s gills where gas exchange takes place and are formed as a row on the sides of its foot.

Learn more.


The chiton’s radula, or teeth, are made out of magnetite, the hardest material made by any living organism, which they use to scrape algae off of rocks. You can find the marks they leave behind if you look at low tide.

Learn more.

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