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Pictures for 1,000 Birds

The long-running scientific expedition, Identidad Madidi, has confirmed an impressive milestone—1,000 bird species in Bolivia's Madidi National Park. If that sounds like a lot, it is. The protected area is expected to hold about 11 percent of all the world's bird species.

The 1,000th bird recorded—the dusky-tailed flatbill—was a surprise to the team; its song was detected by ornithologist Victor Hugo Garcia of Armonia while analyzing audio recordings in his office. The bird was recorded at the sixth site of the two-year expedition into the park.