As many as 10 of the 17 kinds of penguins may be in danger of disappearing.
As
many
as
10
of
the
17
kinds
of
penguins
may
be
in
danger
of
disappearing
.
The number of penguins have decreased by 30% since 1987.
The
number
of
penguins
have
decreased
by
30
%
since
1987
.
Penguins are black and white birds that live in the southern part of the world.
Penguins
are
black
and
white
birds
that
live
in
the
southern
part
of
the
world
.
They are common in South America, New Zealand, Australia and South Africa.
They
are
common
in
South
America
,
New
Zealand
,
Australia
and
South
Africa
.
Many live near cold waters.
Many
live
near
cold
waters
.
But some live near warm waters in Galapagos Islands.
But
some
live
near
warm
waters
in
Galapagos
Islands
.
Penguins cannot fly, but they are fine swimmers.
Penguins
can
not
fly
,
but
they
are
fine
swimmers
.
Penguins eat fish and krill.
Penguins
eat
fish
and
krill
.
The warming of the earth is the decrease in penguin populations.
The
warming
of
the
earth
is
the
decrease
in
penguin
populations
.
The heating of the air has caused ocean waters to become warmer.
The
heating
of
the
air
has
caused
ocean
waters
to
become
warmer
.
Higher water temperatures have reduced the supply of fish and krill.
Higher
water
temperatures
have
reduced
the
supply
of
fish
and
krill
.
Some years later these birds are completely unable to reproduce.
Some
years
later
these
birds
are
completely
unable
to
reproduce
.
Besides, many adult penguins die of hunger.
Besides
,
many
adult
penguins
die
of
hunger
.
Widespread fishing, exploration for oil and oil leaks also make penguins be in danger.
Widespread
fishing
,
exploration
for
oil
and
oil
leaks
also
make
penguins
be
in
danger
.
Poisonous organisms in ocean water are another danger.
Poisonous
organisms
in
ocean
water
are
another
danger
.
Penguins also have their enemies, including wild dogs, sharks, seals and sea lions.
Penguins
also
have
their
enemies
,
including
wild
dogs
,
sharks
,
seals
and
sea
lions
.
News about penguins is not all bad, however.
News
about
penguins
is
not
all
bad
,
however
.
Several years ago, oil leaking from a ship hurt 40% of the penguins in South Africa.
Several
years
ago
,
oil
leaking
from
a
ship
hurt
40
%
of
the
penguins
in
South
Africa
.
The penguins became covered with oil.
The
penguins
became
covered
with
oil
.
But thousands of people helped clean and treat the birds well.
But
thousands
of
people
helped
clean
and
treat
the
birds
well
.
Then they returned the penguins to the wild.
Then
they
returned
the
penguins
to
the
wild
.
Now these South African penguins are reproducing in higher numbers than before the oil leaking.
Now
these
South
African
penguins
are
reproducing
in
higher
numbers
than
before
the
oil
leaking
.
As many as 10 of the 17 kinds of penguins may be in danger of disappearing. The number of penguins have decreased by 30% since 1987.  Penguins are black and white birds that live in the southern part of the world. They are common in South America, New Zealand, Australia and South Africa. Many live near cold waters. But some live near warm waters in Galapagos Islands. Penguins cannot fly, but they are fine swimmers. Penguins eat fish and krill.  The warming of the earth is the decrease in penguin populations. The heating of the air has caused ocean waters to become warmer. Higher water temperatures have reduced the supply of fish and krill. Some years later these birds are completely unable to reproduce. Besides, many adult penguins die of hunger.  Widespread fishing, exploration for oil and oil leaks also make penguins be in danger. Poisonous organisms in ocean water are another danger. Penguins also have their enemies, including wild dogs, sharks, seals and sea lions.  News about penguins is not all bad, however. Several years ago, oil leaking from a ship hurt 40% of the penguins in South Africa. The penguins became covered with oil. But thousands of people helped clean and treat the birds well. Then they returned the penguins to the wild. Now these South African penguins are reproducing in higher numbers than before the oil leaking.