STREET CREATURES QUIZ

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 #70 Clues

Niko Tinbergen
Reverse Evolution
Plates
Zigzag dance

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

Threespine Stickleback (Gasterosteus aculeatus)

Niko Tinbergen:

Tinbergen was one of the first to study the stickleback, focusing on behavioral studies and how the males react to the color red while mating. Turns out they attack anything and everything that is red.

Reverse Evolution:

This fish is one of very few organisms to be documented evolving in reverse, regaining their armor plates after they had lost them. This discovery was here in Seattle, and there is much more about it in my book, Nature Obscura.
 

Plates:

Sticklebacks that live in the ocean tend to have heavier and more complete armor plates, while those that move to freshwater tend to lose them.

Zigzag dance:

The male constructs a nest and to entice a female to lay eggs inside it, he will do a fancy zigzag dance pointing (literally) her in the direction of his nest.
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