SAN FRANCISCO (KGO) -- Scientists have discovered new frogs so tiny they can sit on a thumbnail.
The seven new frogs were discovered in the forests of the western coast of India.
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They live on the forest floor and make insect-like calls at night. Scientists say there are a lot of these new frogs, and that they were likely overlooked because they are so small, their habitats are hard to find, and they don't make typical frog sounds.
A tiny newly discovered frog is seen in this undated image. (KGO-TV)