The World's Bird Poop Obsession

The video explores the historical significance of guano, a bird excrement used as a fertilizer, which became highly valuable in the 19th century. It highlights the role of Alexander von Humboldt in bringing guano to Europe's attention and explains the scientific reasons behind its effectiveness due to its rich nitrogen and phosphorus content. The guano boom led to extensive mining, impacting bird populations and habitats. Eventually, the industry declined with the advent of artificial fertilizers and environmental protection efforts.

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