Page 43 - It Can't Be True! Animals! - Unbelievable Facts About Amazing Animals (DK)

The sperm
whale is the
loudest animal,
with a huge head
to broadcast
noisy clicks.
Sperm The loudest mammal
call is this whale’s deep,
low click. It’s only brief –
Screaming
piha whale lasting just 0.0001 seconds.

112 dB 230 dB

Greater bulldog

bat 140 dB The loudest land
mammal has a
squeak that is too
high-pitched for
humans to hear.

Human 177 dB Pneumatic drill The pneumatic drill uses

129 dB

120 dB
Gulf corvina
compressed air to make
a speedy drilling motion.

Loudness is measured
in decibels (dB). Decibels
are calculated differently
Fish do make noise! Gulf depending on whether
corvinas, found in the waters sound is travelling through
off California, USA, make calls air or water, so aquatic
to others when they gather for animals seem much louder
spawning (laying eggs). than land creatures.

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