
Do you know penguin?Have
ever seen one of penguins?Do you know what is penguins look like?how can
penguins survive life in the coldest place in this planet?Penguins (order sphenisciform, family spheniscidae) are
classified into Aves. Penguins
have adapted their physical characteristic to help them survive their life
include of it’s function.
This
things that make penguins different from other kinds of birds.
Penguins are included into such
kind of big birds in the world.
The
largest penguin ,the emperor penguin, have 1,1 m (3,7 ft) tall when they are
standing and their
weigh is about 27 to 41 kg (60-90 lb). The smallest penguin, fairy penguin,just have 41cm tall
when they are standing and their weight
is about
1 kg (2,2 lb). Penguins have large head.
Their necks
are short, and they have elongated
body. Penguins
have wings that are
modified into flippers. The
penguin’s tail is short and
wedge shaped(with 14 to 18 stiff tail feather).Penguins have short and strong
legs (the maximum walking speed is 3.9 kph/ 2.4 mph, and the minimum walking
speed is 2,8
kph/ 1,7 mph). They
also have webbed feet that set at far back on the body. They make penguins have
upright posture on land and a bill.
Penguins
have part of body which are important and functional. The flippers covered with short
scales like feather, make penguins flexible
to swim through water. The
shape of bill give an aid for swallowing the prey such as mouth is line
with toothed. Penguins
have nictitating membrane (a third eyelid) to protect the eyes from injury. The legs, that are set far back on the body, give an aid in
streamlining and steering while swimming.
The tail of penguins are used
to prop their body on land.
In conclusion,penguins have several
different with other kind of birds especally their physical characteristic like head, neck, body, tail, legs and feet bill and the most
important is wings (that have modified into flippers).There are subtantial use
for each characteristic that aid them to survive their life.For example, the flippers are used to swim fast and
avoid the predators, so they can survive their life.


