Nigeria-Cameroon Border Forests Hold the Last Wild Cross River Gorillas

Cross one invisible border and the species disappears.

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🤯 Did You Know (click to read)

The Cross River gorilla’s total range is estimated at only a few thousand square kilometers.

The entire wild population of Cross River gorillas survives within a narrow band of forest straddling the Nigeria-Cameroon border. Outside this limited transboundary zone, the subspecies does not exist. Their global range covers only a fraction of the territory occupied by other gorilla subspecies. This confinement means that a regional environmental disaster could affect the entire population simultaneously. Unlike widely distributed mammals, they have no distant fallback population. Their survival is geographically compressed into a politically complex frontier. The fate of a great ape lineage rests on a single cross-border ecosystem.

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💥 Impact (click to read)

Geographic restriction magnifies vulnerability. Species with broad continental ranges can absorb localized catastrophes. Cross River gorillas cannot. A severe wildfire, epidemic, or surge in deforestation within this narrow corridor could impact nearly all individuals at once. Conservation planning must therefore treat the entire region as one integrated life-support system. Fragmented management would fail a species with no second home.

The compression of a great ape into a sliver of terrain reveals the scale of biodiversity contraction in the Anthropocene. When a species’ entire existence fits inside one border zone, geopolitics and ecology intertwine. Cooperative governance becomes survival strategy. Protecting this forest is not regional conservation; it is global responsibility. Beyond that border, there is nothing left.

Source

International Union for Conservation of Nature (IUCN)

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