The Loa water frogs, a tiny and beguiling dark-spotted amphibian also known as Telmatobius dankoi, mated between October 11 and 12.
Those couplings produced 200 offspring now in varying stages of growth under the watchful eyes of scientists at the capital Santiago`s National Zoo.
The frogs are native to a stream outside Calama, a fast-growing northern mining city of 180,000, but amid intensive industrial activity and development the river became polluted and dried up.
Last year local scientists backed by a team from the International Union for the Conservation of Nature recovered just 14…
