wunder beta

📘 How bats find objects in darkness

Follow echolocation pulses, timing, Doppler shifts, echoes, and acoustic maps.

lessons

~10 min

to learn

🔬 Science

subject

Adults

level

Start the course →

What you’ll learn

Pulse
Timing
Frequency
Beam
Target
Search
Approach
Echo clutter
Social sound
Limits

Questions this course answers

How does an echo delay help a bat?

The time between pulse and return depends on sound travel distance.

What can a Doppler shift reveal?

Movement changes the frequency of the returning sound.

Why does a bat use a feeding buzz?

Shorter call intervals give finer timing while the bat closes on prey.

What is acoustic clutter?

Many reflecting surfaces can produce competing echoes in the same scene.

Why are some bat calls beyond human hearing?

Bat echolocation commonly uses frequencies above the human hearing range.

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