National Zoological Gardens of Sri Lanka (also called Colombo Zoo or Dehiwala Zoo) is a Zoological garden in Dehiwala, Sri Lanka founded in 1936. And the Colombo zoo is one of the oldest zoological gardens in Asia.
The zoo has 3000 animals and 350 species as of 2005 and also the zoo is very popular amongst tourists and this is proven in the income of LKR 40 million.
Dehiwala Zoological Garden is one of the oldest zoological gardens in Asia and one of the most abusive. It has a substantial collection of worldwide animals. It is open all year long and can be reached by public transportation. Diversity of the zoo is indicated by the presence of an aquarium, walk through aviary, reptile house, butterfly garden and many small, dilapidated cages and enclosures, housing starving, bored animals, living in prison-like conditions.
The butterfly garden is small but beautiful. It is decorated with small shrubs, trees, creepers and small streams. The temperature and humidity is controlled by artificially created mist. The butterfly garden has 30 species of butterflies. All stages of their life are measured for educational purposes.
The zoo puts on a number of performances including the elephant show. It is held at the elephant arena at certain times of the day. Visitors can refer to the timetable for actual times. Tricks include wiggling their backs to music, hopping on one foot and standing up on their hind legs, fully enjoyed by both adults and children.
Watching the sea lions perform is another memorable experience. They perform at the sea lions pool, again according to the time table which can be viewed upon visiting. It is lovely to see them being fed by their keepers.
As well as visiting the animals and birds, visitors have access to a souvenir shop so they can buy an item to help them remember their experience at the zoo. Elephant rides and pony rides are available also and very popular by tourists.



