In California, after more than seventy years, the beavers returned to popular the territories from which they had disappeared. In 2023, the Department for Wild Fauna (CDFW) had started a reintroduction program in collaboration with the native communities, including the Tile River tribe and Mountain Maidu.
The goal is not only to report these animals in their original habitats, but also to reconstruct a new relationship between human beings and nature, based on the coexistence and awareness of the benefits that beavers can offer.
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Not everyone knows, in fact, that – defined as “ecosystem engineers” – the beavers modify the landscape by building dams and lairs. In this way they retain the water, slow down the drought, improve the quality of the water reserves and create ideal habitats for fish, birds and other species. Furthermore, the wetlands generated by their works work as natural barriers against fires, an increasingly serious problem in California.
A story of exploitation
For centuries, the beavers have been exterminated due to the fur trade. In California, their presence had been almost canceled and official science even came to claim that they had never lived in mountain areas. Only in the 1980s some scholars and archaeologists found material evidence – such as ancient dams – which demonstrated their historical diffusion also in the Sierra Nevada. The absence of the beavers had created not only an ecological, but also cultural void: a real “century of amnesia”.
The role of the native tribes and the first results
For indigenous communities, such as i Tule river oi Mountain Maidubeaver is not just an animal: it is part of the family and spirituality. Ancient pictograms depicting beavers, such as those of Painted Rock, testify how central they were in culture and daily life. Their return today has lived as an act of healing, not only for nature but also for the communities that have always considered these animals an ally.
For decades the beavers were considered “harmful” because they flooded agricultural land or obstructed waterways. Today, however, we try to manage conflicts with non -lethal solutions: systems to control the water level, protection of trees with metal networks and educational programs for citizens. The same official page of the CDFW now recognizes the “conservation value” of the beavers, a sign of an epochal mentality change.
In the prairie of Tásmam Koyóm, the Maidu area, the reintroduced beavers created dams that increased by 22% the water cover in the area, attracting rare species such as Canadian cranes and improving the quality of the habitat for fish and other animals. Although in the territory of the Tule River the first specimens were victims of the predators, the tribe does not surrender and continues to ask for new releases.
The return of the beavers is not just a conservation project: it is an invitation to rethink our relationship with nature. Where man builds concrete dams, beavers offer natural and sustainable solutions. Where man consumes, they regenerate. After decades of removal and oblivion, these animals remind us that resilience passes from restoring lost balances and giving space to those who silently work for the good of the ecosystem.
Sources: Tule River Tribe / Mongabay
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