Eaton - The Truth About Dolphins

Copyright 2018 by Maxwell Eaton III
A Neal Porter Book
Published by Roaring Brook Press
Roaring Brook Press is a division of Holtzbrinck
Publishing Holdings Limited Partnership
175 Fifth Avenue, New York, NY 10010
The art for this book was created using pen and ink with digital coloring.
mackids.com All rights reserved eISBN: 978-1-250-31712-4 Our eBooks may be purchased in bulk for promotional, educational, or business use.
Please contact the Macmillan Corporate and Premium Sales Department at
1-800-221-7945, ext. 5442, or by e-mail at MacmillanSpecialMarkets@macmillan.com. Library of Congress Control Number:2017957306 First edition, 2018
Book design by Jennifer Browne T his is a dolphin. |
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| mackids.com . Copyright 2018 by Maxwell Eaton III
A Neal Porter Book
Published by Roaring Brook Press
Roaring Brook Press is a division of Holtzbrinck
Publishing Holdings Limited Partnership
175 Fifth Avenue, New York, NY 10010
The art for this book was created using pen and ink with digital coloring.
mackids.com All rights reserved eISBN: 978-1-250-31712-4 Our eBooks may be purchased in bulk for promotional, educational, or business use.
Please contact the Macmillan Corporate and Premium Sales Department at
1-800-221-7945, ext. 5442, or by e-mail at .

Library of Congress Control Number:2017957306 First edition, 2018
Book design by Jennifer Browne T his is a dolphin.

Dolphins look like fish. But they arent! DOLPHINS BREATHE AIR THROUGH
A BLOWHOLE. |
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| FISH GET OXYGEN
FROM THE WATER
USING GILLS. |
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| DOLPHINS SWIM BY MOVING THEIR
TAILS UP AND DOWN. |
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| DOLPHINS
HAVE
SMOOTH
SKIN. |
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| MOST FISH
HAVE SCALES. |
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| Dolphins look like fish. |
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| Dolphins look like fish.

But they arent! DOLPHINS BREATHE AIR THROUGH
A BLOWHOLE. FISH GET OXYGEN
FROM THE WATER
USING GILLS. DOLPHINS SWIM BY MOVING THEIR
TAILS UP AND DOWN. FISH MOVE BY FLEXING
THEIR BODIES FROM
SIDE TO SIDE. DOLPHINS
HAVE
SMOOTH
SKIN.

Dolphins are actually mammals,
like humans, bears, and cats. |
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| They breathe air. |
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| They breathe air.

Theyre warm-blooded.
(That means they have about the same
body temperature no matter how cold or
warm their surroundings are.) |
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| And they give birth to
live young (not eggs). |
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| Dolphins are actually mammals,
like humans, bears, and cats. They breathe air. Theyre warm-blooded.
(That means they have about the same
body temperature no matter how cold or
warm their surroundings are.) And they give birth to
live young (not eggs).

When a baby dolphin is born, it usually
comes out of its mother tail-first. |
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| A BABY DOLPHIN IS
CALLED A CALF.

Then its mother nudges it to the surface
for its first breath of air. |
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| Finally, like all mammals, the young
dolphin drinks milk from its mother. |
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| When a baby dolphin is born, it usually
comes out of its mother tail-first. A BABY DOLPHIN IS
CALLED A CALF. Then its mother nudges it to the surface
for its first breath of air.

Dolphins come in all different
shapes, sizes, and colors. |
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| THERE ARE MORE THAN
FORTY SPECIES OF DOLPHINS! |
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| ORCAS ARE ALSO
KNOWN AS
KILLER WHALES. |
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| THERE ARE MORE THAN
FORTY SPECIES OF DOLPHINS! |
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| ORCAS ARE ALSO
KNOWN AS
KILLER WHALES.

Dolphins come in all different
shapes, sizes, and colors. THERE ARE MORE THAN
FORTY SPECIES OF DOLPHINS! ORCAS ARE ALSO
KNOWN AS
KILLER WHALES.

And they can be found in every ocean
and sea in the world. From warm
tropical waters... |
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| SPINNER DOLPHINS ARE
NAMED FOR THEIR
ABILITY TO SPIN AS THEY
LEAP THROUGH THE AIR. to the Arctic and Antarctic! |
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| DOLPHINS HAVE A
THICK LAYER OF FAT,
CALLED BLUBBER, THAT
KEEPS THEM WARM.

And they can be found in every ocean
and sea in the world. From warm
tropical waters... SPINNER DOLPHINS ARE
NAMED FOR THEIR
ABILITY TO SPIN AS THEY
LEAP THROUGH THE AIR. to the Arctic and Antarctic! DOLPHINS HAVE A
THICK LAYER OF FAT,
CALLED BLUBBER, THAT
KEEPS THEM WARM.

Dolphins eat mostly fish and squid. |
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| Dolphins eat mostly fish and squid. |
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| Dolphins eat mostly fish and squid.

They hunt in groups, called pods, by
using their eyes, ears, and one
very special ability...

Dolphins are one of the few animals on earth
that use echolocation (ek-o-lo-KAY-shun).
Heres how it works. 1. THE DOLPHIN MAKES
CLICK SOUNDS INSIDE
ITS BLOWHOLE. 2. |
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| The amount of time it takes for the clicks
to bounce back tells the dolphin the size,
shape, and position of the object. |
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| 3. |
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| 3.

THE SOUNDS THEN BOUNCE
OFF AN OBJECT AND
RETURN AS ECHOES. |
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| 4. THE ECHOES TRAVEL THROUGH
CAVITIES IN THE DOLPHINS
LOWER JAW AND TO ITS EARS. Doing this hundreds of times per second
allows them to paint a picture of their
surroundings. Even in the dark! Dolphins are one of the few animals on earth
that use echolocation (ek-o-lo-KAY-shun).
Heres how it works. 1.

THE DOLPHIN MAKES
CLICK SOUNDS INSIDE
ITS BLOWHOLE. 2. THE SOUNDS ARE
BEAMED FORWARD THROUGH
TISSUE IN ITS FOREHEAD,
CALLED THE MELON. The amount of time it takes for the clicks
to bounce back tells the dolphin the size,
shape, and position of the object. 3. 4. 4.

THE ECHOES TRAVEL THROUGH
CAVITIES IN THE DOLPHINS
LOWER JAW AND TO ITS EARS. Doing this hundreds of times per second
allows them to paint a picture of their
surroundings. Even in the dark!

Dolphins are excellent communicators. |
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| Each dolphin has a unique
whistle that only it makes. |
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| THIS IS CALLED A
SIGNATURE WHISTLE. The whistle is like the dolphins
personal song or name.

It helps
dolphins recognize their friends. |
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| Dolphins are excellent communicators. Each dolphin has a unique
whistle that only it makes. THIS IS CALLED A
SIGNATURE WHISTLE. The whistle is like the dolphins
personal song or name.

Dolphins love to play! |
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