Aesop & Experiments
The Corvid Family
Food & Memory
Behavior & Social Life
Tools & Intelligence
100

The bird in Aesop’s story drops stones into a pitcher.

crow

100

Crows belong to this bird family.

corvids

100

Scrub jays were given worms and this other food.

peanuts

100

Crows can recognize human ______.

faces

100

New Caledonian crows shape sticks into these.

hooks

200

The crow drops these into the pitcher to raise the water level.

stones

200

Two other birds in the corvid family.

ravens, jays, or magpies

200

The worms would do this quickly.

spoil

200

When they saw the masked person again, they did this.

react (flew at them and made loud noises)

200

In Japan, crows let cars do this to nuts.

crack them open

300

In the 2014 test, scientists used this long container filled with water.

tube

300

This bird can hide up to 30,000 pine nuts.

the Clark’s nutcracker

300

The birds ate worms first because they understood this about time.

worms go bad quickly

300

When crows gather around a dead crow, it looks like this ceremony.

funeral

300

These special brain cells help with thinking and problem-solving.

neurons

400

The experiment showed crows can solve problems in this way.

smart and creative ways

400

Corvids are known for being especially ______.

intelligent

400

Hiding food for the next day shows this skill.

planning ahead

400

Crows live in groups and often do this to scare predators away.

work together / scare off predators

400

Corvid brains contain a ______ number of neurons compared to primates.

similar

500

This experiment proved the old story was surprisingly ______.

accurate

500

Scientists once underestimated corvids because they thought their brains were too ______.

simple

500

Remembering what, where, and when food was hidden shows strong ______.

memory

500

This word describes living and interacting with others.

social

500

The article suggests crows might remember you because they have strong ______.

awareness / intelligence

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