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If you visit the Grand Canyon this summer you might witness a majestic herd of bison roaming near the North Rim. While to the average tourist the bison might seem like a totally natural sight, conservationists don’t see it that way. As the National Park Conservation Association explained, “they argue that the bison don’t belong in the park, where the animals overgraze meadows, contaminate water sources and trample archaeological sites. Left alone, the herd of more than 600 — no one knows exactly how many — could more than double over the next decade.”
How Did the Bison Get There? It’s kind of a wild back story but as the NPCA explained,
In 1906, a frontiersman named Charles Jones assembled a herd of bison captured in places from Manitoba to Texas and attempted to breed them with Galloway cattle. This type of experimentation was common at the time, and these days, many bison contain some cattle DNA.
Jones struggled to build a profitable enterprise, though, and he gave up after a few years. He sold some of the animals, but about 20 were pretty much left to their own devices in House Rock Valley near the North Rim of the Grand Canyon.
By the time the state of Arizona purchased the herd in 1927, it had grown to 98 bison. To protect themselves from hunters the bison have since started avoiding House Rock Vally and now mostly live exclusively in the North Rim.
Bison Are Not Considerate Guests: The bison have ruined Native American artifacts, harmed native plant species, and have also spread E. coli in local streams and waterways. According to the National Park Service, water monitoring around the Grand Canyon has “indicated increased levels of E. coli bacteria in standing water associated with bison grazing areas. Large ungulate herds are known to cause significant damage to water sources through contamination and soil compaction.”
A Bison is a Bison is a Bison, Right? Well not exactly. Since the bison were bred with cattle long ago many consider them to be a non-native hybrid species, however, the Park Service has officially declared them to be native to the park. This can affect how the buffalo herds might be culled or corralled in the future.
Why This Matters: Addressing the bison problem at the Grand Canyon is difficult because the National Park Service has few resources to devote to the endeavor. Additionally, a change of park superintendent, chronic understaffing and a government shutdown over the winter have not helped. The NPS has stated that lethal culling will not take place in 2019 and plans to take it up in the future are not yet established. Other ideas include transporting the animals to their historic ranges, but again, understaffing and underfunding at NPS makes and proactive plan difficult to implement.
by Natasha Lasky, ODP Staff Writer A new study suggests that baby sharks are being born tiny, tired, and malnourished as a result of rising temperatures in the ocean. Scientists analyzed the effects of warming waters on young epaulette sharks — a small, egg-laying species that lives in the Great Barrier Reef. These researchers examined […]
In a story for the New York Times,Sam Anderson documents the lonely lives of the two beautiful creatures and details what we lose when a species vanishes before one’s eyes — it brings gravity to the extinction process that numbers and statistics just can’t.
Why This Matters: In 2019, the United Nations released a report detailing accelerating extinction rates.
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