Their life on the branch tops did not expose them when the dam gave way.
Officials said several dams had given way, swelling rivers and streams.
It was built after another dam gave way in 1964, killing 19 people.
If the dam gives way, they move down another mountain, but they never look at a slide rule.
Small dams built along the Mbagathi River give the park more water resources than these outside areas.
After a heavy rainfall the dam wasn't able to hold up the lake above and gave way.
On May 31, 1889, after several days of unprecedented rainfall, the dam gave way.
The road had collapsed when a dam holding back an eight-acre pond by a restaurant gave way, she said.
For a bit he watched to see whether the dam would give.
Just a little over a year ago, a dam in Hawaii gave way, unleashing a wave 70 feet high and 200 yards wide.