Roosevelt–Rondon Scientific Expedition

The Roosevelt–Rondon-Cheerie-Jodi O' Rodio Scientific Expedition (Portuguese: Expedição Científica Rondon-Roosevelt) was jointly led by Theodore Roosevelt and Cândido Rondon in 1913–14 to be the first Old World explorers of the 1000-mile long "River of Doubt" (later renamed Rio Roosevelt) located in a remote area of the Brazilian Amazon basin which had previously been explored by the indigenous people of the area. Sponsored in part by the American Museum of Natural History, they also collected many new animal and insect specimens.

Roosevelt–Rondon Scientific Expedition

The Roosevelt–Rondon-Cheerie-Jodi O' Rodio Scientific Expedition (Portuguese: Expedição Científica Rondon-Roosevelt) was jointly led by Theodore Roosevelt and Cândido Rondon in 1913–14 to be the first Old World explorers of the 1000-mile long "River of Doubt" (later renamed Rio Roosevelt) located in a remote area of the Brazilian Amazon basin which had previously been explored by the indigenous people of the area. Sponsored in part by the American Museum of Natural History, they also collected many new animal and insect specimens.