Sound Basics
Animal Hearing Ranges
Communication Through Sound
Echolocation
Unique Hearing Abilities
100

The physical phenomenon that travels through the air in waves.

What is sound?

100

This species is generally unable to hear very high-pitched and very low-pitched sounds.

What are humans?

100

The animal group that uses songs to attract mates or defend territory.

What are birds?

100

The process by which animals emit sound waves and listen to the echoes to find prey.

What is echolocation?

100

This feature of an an owl's ears that helps it pinpoint the source of a sound.

What is asymmetry?

200

The characteristic of sound waves that allows animals to hear different pitches.

What is frequency?

200

An animal mentioned in the chapter that cannot hear ultrasonic mouse squeaks.

What is an elephant?

200

The term for the deep and resonant sounds produced by baby treehoppers.

What are vibrational moos?

200

This animal that uses echolocation to navigate in darkness.

What are bats?

200

An insect mentioned in the chapter that communicates by sending vibrations through plants.

What is a treehopper?

300

The term for very low-pitched sounds that some animals, like elephants, can use to communicate over long distances.

What is infrasound?

300

These animals have a lower hearing range than expected.

What are subterranean animals?

300

These animals attract females by making very long, deep hums.

What are midshipman fish?

300

The accuracy of a bat's sonar, which allows it to pluck a spider from its web.

What is acute?

300
Zipper, the bat, is known for this.

What is maneuvering?

400
These animals can process complex sounds much faster than humans.

What are birds?

400

The type of calls that some moths make for courtship.

What are ultrasonic calls?

400

The reason some male moths make ultrasonic calls.

What is to mimic the calls of bats?

400

Besides bats, the group of animals, including dolphins, that use echolocation.

What are odontocetes (toothed whales)?

400

Porpoises were observed to be able to avoid these in the dark.

What are fishing nets?

500

The quality of a sound that Dooling's experiments with songbirds examined, revealing birds' ability to discern rapid changes in pitch.

What is temporal fine structure?

500

These animals are able to hear the lower notes of a tĂșngara frog's call, despite their ears being tuned to high frequencies.

What are bats?

500

The phenomenon exploited in swordtail fish, where females are attracted to males with longer tails, a trait that evolved to match a pre-existing preference.

What is sensory exploitation?

500

This is what the bottlenose dolphin had to do while wearing latex suction cups over her eyes/

What is navigate through a maze?

500

The orange frog from Brazil that is insensitive to the frequencies in its calls.

What is the pumpkin toadlet?