1.
Doucs are native to Southeast
Asia. With their five-colour
coats, they stand out from the
great family of primates around
the world. And so, they are
dubbed the "queen of primates".

2.
One of the most beautiful primates, red-shanked douc langurs are also referred to as "costumed apes" for
their magnificent colors. The current population of doucs at Son Tra numbers about 1,300 and zoologists say
they have the most beautiful colours of their species.

3.
Females usually give birth to only one child at a time
between February and June, when fruits are plentiful. It
was observed that an infant can help deliver itself by pulling
on the mother's fur once its arms are free

4.
With time, the colours of a douc transform and become complete.
Doucs under eight months have a blackish-blue face, pale chestnut
body, gray tail, and black arms and feet. As a young adult from
eight months to three years, doucs gradually adopt their five-
colour coat: pink face, black head, hands and feet, gray body,
white arms and tail. Most outstanding is their reddish-brown legs
from the knee to the foot

5.
Red-shanked doucs live in
groups. The smallest unit
is a family with a male, a
female, and a few
infants. A male living
with many females can
have up to twenty
members

6.
Each group has
its own
territory and
does not enter
that of its
neighbours
Each family has
a male leader.
He guards the
other members
as they eat and
play, and alerts
them when
danger is near.
He also helps
his mate to
rear their
children

7.
Other groups
comprise
several small
families with
blood relations

8.
Each group has
its own
territory and
does not enter
that of its
neighbours

9.
Red-shanked
doucs eat
almost
constantly,
though they
are not a
gluttonous
species. On the
contrary, they
are quite fussy
about what
they eat.

10.
Among the
more than
1,000 species
of plants at
Son Tra, only
about 150
species are
consumed by
doucs

11.
Millettia
purple

12.
Millettia purple

13.
According to
zoologists,
their diet
comprises 88
percent
leaves, 10
percent
fruits and
seeds, 1.5
percent
flowers, and
less than 1
percent
bark/pith

14.
Growing up to around 60 centimeters in body length, the red-shanked douc langur has a tail that can be
the same length as its body

15.
Dalbergia tonkinensis (Fabaceae) is one of the most valuable rosewood furniture species in the world

16.
This unique
animal moves
around on the
canopies of trees,
and almost never
descend to the
ground

17.
Though their
potbellies
would suggest
clumsiness, the
red-shanked
douc langur
can jump very
gracefully from
branch to
branch.
The baby clings
to its mother
from the
minute it is
born.
Infants are
typically
carried on the
mother's belly

18.
At institutes in Vietnam and around the world, many scientific
works and papers are dedicated to researching red-shanked doucs
at Son Tra.
In addition to the IUCN and the Douc Langur Foundation (USA),
there is the NGO GreenViet based in Da Nang. Since 2012,
GreenViet has led a movement to protect this rare primate species.

19.
Son Tra
(Monkey)
Mountain is a
breath-taking
national park
in Da Nang
that stands
693 metres
above sea level.
Locally known
as the Son Tra
Peninsula, the
verdant
mountain is
also surrounded
by pristine
beaches such as
Bai Bac, Bai
Nam, Bai But,
and Tien Sa
Beach.

20.
Sun World Ba Na
Hills Resorts
The Ban Co Peak (Chess Board Peak)

21.
Legend has it that
there were two
deities sitting and
playing chess on the
Son Tra Mountain
for many
consecutive days but
they were still
inconclusive.
Then one day, one
of them lost the
game because of
being distracted by
fairies who flew
down the beach to
take a bath. Out of
control, he kicked
the chess board into
the sea and came
back to Heaven

22.
Therefore, local
people had
carved a large
chess board on
the rock and
built the statue
of a deity named
De Thich who
sits alone in
front of the
chess board,
thinking
carefully about
his next moves

23.
The name of the mountain peak ‘Ban Co’ also came from that legend, and the beach where the fairies took a
bath was named Tien Sa, now has become the most beautiful beach in Vietnam

24.
2021
Sound Son Nam Sen · Le Hieu color of love (Sao Truc - Vietnamese bamboo flute)
Text and pictures: Internet
All copyrights belong to their respective owners
Presentation: Sanda Foişoreanu
www.slideshare.net/michaelasanda
http://ma-planete.com/michaelasanda

25.
With an area of more than 4,400 hectares, Son Tra is able to regenerate enough oxygen for 4 million
people every day, and is a storage of fresh water for the city and the entire underground water system in
Da Nang and Hoi An. With its strategic position, Son Tra and Hai Van are natural shields, reducing the
damage from the storms that annually threaten this central region