Extremes
U.S.A.
What's in a name?
Smaller than your palm
Natural Resources/History
100

Koalas have adapted their diet with an extra long gut to break down poisons in these leaves and sleep 20 hours a day due to a lack of nutrition in the leaves.

What is eucalyptus?

100

It's the state animal of Montana and California, but the California one is extinct.

What is the grizzly bear?

100

This arctic carnivore's scientific name is Ursus maritimus.

What is the polar bear?

100

Adult insects have 6 legs, all attached to this body section.

What is the thorax?

100

The 1.6 million acres of Arizona's Kaibab National Forest are divided by a natural wonder that is divided by this river.

What is the Colorado River?

200

These quadrupeds can open their jaws 150 degrees and are strong enough to bite a crocodile in half.

What is a hippopotamus?

200

Featured on the reverse of the state flag, it's the state animal of Oregon.

What is the beaver?

200

The chickaree is also called the pine type of this rodent; it hides pine cones the way others hide nuts.

What is a squirrel?

200

"I am unique!  I have no legs in my midsection so I move in 'measured' steps by arching my body.  I'm a cute geometrid caterpillar"

What is an inchworm?

200

Harriet Hemenway's boycott of the feathered hats of her social circle inspired the 1905 founding of this.

What is the National Audubon Society?

300

This largest animal also produces one of the loudest sounds, up to 180 decibels that can be heard 100 miles away.

What is the blue whale?

300
In the 1950s, Idaho relocated these amphibious rodents by dropping them out of airplanes using parachutes.

What are beavers?

300

A beetle with middle femurs that look like bulging biceps was named for this Austrian-born actor.

Who is Schwarzenegger?

300

The wood frog of the Arctic can live with 65% of its body frozen due to using this sugar in its blood as an antifreeze.

What is glucose?

300

Much of this 73-square-mile national park is located beneath the Chihuahuan Desert.

What is Carlsbad Caverns?

400

The cephalopod called the vampire type of this can live 3,000 feet deep and is a gentle scavenger, not an aggressive biter.

What is a squid?

400

Telephone poles are one housing option for elf owls in the U.S. Southwest; these are another.

What are cacti/ saguaro cacti?

400

Often called an eel because its legs are almost invisible, the Amphiuma is actually a species of this amphibian.

What is a salamander?

400
Often used as aquarium fish food, these tiny shrimp are named for the salty water they love.

What are brine shrimp?

400

In March 1519, these were again seen in Mainland N. America for the first time in 10,000 years with the arrival of 16 of them.

What is the horse?

500

The green species of this snake can reach 30 feet and 550 pounds.

What is an anaconda?

500

It's South Carolina's official game bird, not its state bourbon.

What is a wild turkey?

500

This word describing Penn State's Lions comes from an Algonquian term meaning "single mountain".

What is Nittany?

500

Some moths are able to detect chemical love signals called these up to 7 miles away.

What are pheromones?

500

Introduced in 1881 to grow ornamental trees, these seeds became one of Hawaii's most valuable crops.

What are macadamia nuts?