Almost a century ago, exactly 95 years ago, a Dutch researcher named BCChMM van Suchtelen been very amazed by the phenomenon of color changes of water in three craters Kelimutu in Ende, Flores island, East Nusa Tenggara.
Ata Polo Tiwu crater often shows a red color of blood, Crater Tiwu Nua Muri Koo Fai emerald green, and Crater Tiwu Ata white tourists. Therefore, Kelimutu also called Lake tricolor. However, occasionally three colors can also be uniform.
We visited in mid-July 2010, Tiwu Nua Muri Koo Fai bluish light green, green Polo Tiwu Ata, Ata of domestic and international tourists blackish-green moss.
The scientists and researchers to provide information, the chemical form of salt, iron, sulfate, other minerals, as well as gas pressure, volcanic activity, or sunlight to the factors causing changes in water color on Kelimutu lake (1690 meters) it.
“Seismic activity can also change the color of the crater lake. This geological phenomenon is truly unique and only occur in Lake Kelimutu in Indonesia. In other countries, including Italy and New Zealand, if any, change in color of the water was not significant and not colorful, “said researcher Research Center for Geotechnology Indonesian Institute of Sciences (LIPI), Bandung, Eko Soebowo.
Enchantment Kelimutu not end there. In an area of 5356.5 hectares, it is also easy to find various kinds of rare flora and wildlife. Bird garugiwa (Whistler nudigula) is one of them. Black-headed birds, whereas the body, wings, until the tail is yellowish-green there are endemic species found nowhere else.
As to the summit crater lake Kelimutu, at around 8:00 pm, there was a variety of unique sounds garugiwa male bird. The splendor of birds singing loud and shrill, bersahutan, adorned in Lake Kelimutu morning, like a friendly welcome, and even helped warm the atmosphere.
Birds chirp garugiwa usual starting at 6:00 until 10:00 only. Birds chirping varies according to altitude. In the area of 1400 meters above sea level, there are about 12 booms. According to locals, at an altitude of more than 1400 meters above sea level, there are birds chirping which has about 17.
“Therefore, people here have called it the bird spirits. In addition elusive, the bird also appears only certain times, “said Muhammad joints, coffee traders in the vicinity of Lake Kelimutu monument monitoring.
