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| title | chunk | source | category | tags | date_saved | instance |
|---|---|---|---|---|---|---|
| American Expedition 1799–1804 | 6/17 | https://en.wikipedia.org/wiki/American_Expedition_1799–1804 | reference | science, encyclopedia | 2026-05-05T09:12:39.811011+00:00 | kb-cron |
Nights were spent camping on riverbanks, where hammocks were usually slung between trees or, when trees were absent, from canoe paddles or on ox-hides. This exposed the expedition to risks from snakes, alligators, and jaguars, which were especially prevalent and feared by local Natives. Nighttime was often unsettled due to animal activity, including monkeys, peccaries, sloths, and birds.Shortly after departure, a sudden squall nearly overturned the canoe, but a shift in wind stabilized the vessel. The following morning, the expedition encountered a Carib family traveling from the mouth of the Orinoco to collect turtle eggs, an event that attracted hundreds of Natives from various tribes and a few white traders. The eggs were rendered for oil, used for cooking and lighting, though overharvesting threatened the turtle population. At the Island of the Tortoises, Native tribes gathered annually to harvest turtle eggs, each tribe distinguished by unique body paint. Humboldt observed the process and noted that the previous Jesuit supervisors had ensured some eggs were left to hatch, but that their successors, the Franciscans, did not exercise such care, causing a decline in the turtle population. The Native crew from San Fernando departed at the turtle islands, as they lacked experience with the rapids ahead. The expedition switched to a smaller, less comfortable canoe, fashioned from a single tree trunk, which further limited space and increased exposure to environmental discomforts. Insect infestations, food shortages, and the destruction of provisions by rain and humidity presented ongoing challenges. Despite these hardships, Humboldt remained healthy and productive, documenting his scientific observations. Progressing up the Orinoco, the expedition reached Pararuma, where they met missionaries and Father Bernardo Zea, missionary of Atures and Maipures, who agreed to guide them further. Due to the rapids, a smaller canoe was acquired. The new canoe, hollowed from a single tree, was forty feet long and less than three feet wide. The arrangement left little space, resulting in cramped conditions for the passengers, supplies, and animal specimens. Native canoemen occupied the bow, and a mulatto servant from Cumana managed provisions and cooking. Insects continued to be a significant nuisance, and local methods of mitigation included sleeping in smoke-filled ovens, burying oneself in sand, or using mud and turtle oil as repellents. Humboldt also observed the use of rubber stoppers provided by local Natives. As the river narrowed, navigation through the Great Cataracts of Atures and Maipures required both paddling and hauling the canoe overland. Humboldt and Bonpland stayed at Father Zea’s mission during this process, where they observed a declining Native population, poor living conditions, and ongoing disease. Insect bites became a dominant hardship. Beyond the cataracts, the expedition entered little-documented territory. Communication was hampered by the diversity of indigenous languages, and the travelers relied on sign language and the limited information provided by missionaries. At the Mission of Javita, they organized an overland portage of their canoe to the Pimichin, which connected them to the Rio Negro. This portage required several days and the labor of over twenty Natives. Upon reaching the Pimichin and then the Rio Negro, the expedition entered a new phase of their journey. They encountered clear “black-water” rivers, a contrast to the muddy white waters of the Orinoco, and observed changes in vegetation and animal life. Food supplies remained scarce, and insects continued to be a challenge. The expedition reached San Carlos, a military post on the Brazil-Venezuela border, on 7 May. Humboldt considered continuing to the Atlantic via the Amazon but abandoned this idea. Portuguese authorities in Brazil had issued a warrant for his arrest, suspecting him of espionage and subversion. After three days, the expedition departed San Carlos, beginning the return to Venezuela via the Casiquiare canal. On 10 May, the party entered the Casiquiare, a waterway many European geographers still doubted existed. Insects swarmed, especially the tiny jejen. Humboldt paused at San Francisco Solano mission to take astronomical readings and acquire two birds from local Natives, expanding his collection of animals. Their boat became increasingly crowded with both people and creatures.Humboldt observed the behavior and intelligence of his animals, especially the titi monkeys, which displayed childlike expressions and intelligence. Despite the inconvenience, the animals provided diversion from constant insect attacks. The next day, the group stopped at Culimacari rock, where Humboldt made precise astronomical observations. This confirmed the Casiquiare’s position and its function as the world’s only natural canal linking two major river systems, the Orinoco and the Amazon. The Casiquiare’s existence had long been denied in Europe, though local knowledge and previous Spanish exploration had already established its reality. Departing Culimacari early on 12 May, the expedition faced a strong current and slow progress. At the mission of Mandavaca, Humboldt found a missionary who spoke of his isolation and the small, scattered Native population. He also described acts of violence and cannibalism among the local peoples, which Humboldt later confirmed through conversation with a Native assistant. The journey along the Casiquiare became increasingly difficult. Food was scarce, and the group survived on ants and dry cacao mixed with river water. Spirits remained intact as the expedition neared the Orinoco. On 20 May, a jaguar carried off their dog during the night, causing distress. On 21 May the party rejoined the Orinoco, now able to travel downstream toward Angostura. Humboldt predicted commercial importance for the Casiquiare, but this vision was never realized. The canal remained a remote and sparsely populated wilderness, unchanged over centuries. The Upper Orinoco, at its junction with the Casiquiare, was over a thousand miles from the sea and still more than a quarter mile wide. The expedition proceeded to Esmeralda, a remote mission at the foot of the Sierra Duida. The settlement was isolated and regarded as a place of hardship, plagued by insects and food shortages. Esmeralda was famous for the production of curare, a potent poison prepared by local Natives. Humboldt and Bonpland observed its preparation and collected samples, narrowly avoiding accidental poisoning. Hostile indigenous groups upriver from Esmeralda forced the party to abandon plans to explore the Orinoco’s source. Weakened by insects, poor food, and cramped conditions, the expedition left Esmeralda on 23 May. They traveled rapidly downstream, reaching the Atures rapids by the end of May. Humboldt visited the cavern of Ataruipe, discovering hundreds of well-preserved Native skeletons. He collected several for scientific study, which later caused difficulties with locals who recognized the resin used in their preparation. The expedition passed through the rapids for the last time. Father Zea left to rejoin his mission. Many of the local Natives suffered from illness. Bonpland soon fell sick but continued to collect plants despite worsening health. In early June, the group reached Uruana and encountered the Ottomac people. Humboldt described them as unruly, hard to govern, and addicted to a hallucinogenic drug. He noted their unusual physiological characteristics. On 7 June, Humboldt, Bonpland, and Sotto began the final 300 miles of their journey. As the river widened, the population grew more diverse. They reached Angostura, now Ciudad Bolivar, on 13 June, completing a pioneering exploration of 1,500 miles between the Orinoco and Amazon basins. The expedition measured positions of more than 50 locations, collected magnetic data, and amassed 12,000 plant specimens, many new to science.