Childrens Illustrated Encyclopedia

(Marvins-Underground-K-12) #1

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DESERT WILDLIFE

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CONSERVATION
Most desert wildlife is not in urgent need of
conservation measures because deserts are not
seriously threatened by habitat destruction.
However, some deserts are being turned into
farmland for growing cereals, fruit,
and other crops, and this
destroys the unique
desert plant life.


HOT DESERTS


The Sahara in Africa is the world’s largest and
hottest desert. At noon in the Sahara, the


scorching sand is so hot that it can burn
through skin in seconds. The temperature in


the shade soars to more than 130°F (55°C).
Few animals are active. Yet as the sun sets


and the air and sand cool, many creatures
emerge from under rocks and out of burrows.


Dew falls at night, providing the plants and
animals with much-needed moisture.


ROADRUNNER
The roadrunner can fly, but it usually
races along the ground and runs into
the undergrowth if it is disturbed.
Roadrunners live in deserts and dry,
open country in North America,
feeding on all kinds of small
animals, including grasshoppers
and snakes, and eggs, and
certain fruits.


SIDEWINDER
A row of S-shaped marks in
the sand at daybreak is a sign
that a sidewinder snake passed
during the night, probably on
the trail of a mouse or a rat. This
snake’s wavelike way of moving
means that only two small parts
of its body touch the ground at
any time, giving a better grip on
the shifting sand.


NAKED MOLE RAT
This hairless rat is virtually blind and
lives in underground tunnels in
groups called colonies. The colonies
are organized in a similar way to
an ant’s nest, with one queen
who gives birth to all
the young. Naked
mole rats feed only
on tubers that they
find in the soil.

PINK FAIRY ARMADILLO
Measuring only 6 in (15 cm) long, the pink fairy
armadillo lives in the deserts
of South America.
It leaves its tunnel
at nightfall to dig up
ants, worms, and
other food.

YUCCA MOTH
AND YUCCA PLANT
The yucca is a desert lily.
It has pale, scented
flowers that attract the
tiny female yucca moth.
The moth climbs into the
flower and gathers pollen,
and then flies to another
yucca. Here the yucca moth
lays its egg in the flower’s ovary
(egg-bearing part), and
transfers pollen. As
the yucca’s fruit ripens,
the moth caterpillar feeds
on it. The yucca moth and
the yucca flower could not
exist without each other.

CACTUS
The cactus stores water in
its swollen stem. Sharp prickles
protect it from plant-eating
animals. The cactus shown
here is called the prickly
pear cactus. The
fruit is edible.

Dorcas
gazelles

DATE PALM
The date palm tree has many
different uses. The nourishing
date fruit is food for people and
animals, the stringy bark and wood
are made into matting and ropes,
and the leaves are fashioned into
roofs and sunshades.

ADDAX
This large grazing antelope from
the Sahara never drinks—it obtains
enough water from its food. Like
other sandy desert dwellers, the
addax’s feet splay out widely to
spread the animal’s weight and keep
it from sinking in the sand. The
addax’s horns have spiral ridges.
The horns are used for defense
and in contests for control
of the herd.

DORCAS GAZELLE
Dorcas gazelles are found across northern
Africa, the Middle East, and India. They are
an endangered species because they are
being forced out of their natural habitat
by farm animals and crops.

Animals
Animal senses
Butterflies and moths
Camouflage, animal
Insects
Reptiles
Snakes
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