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Across the pond, scientists studying the Rocky Mountain wood tick in Colorado found that climate change leads to quick and noticeable alterations in that tick species' distribution and abundance.

The American dog tick, which is most prevalent east of the Rocky Mountains, is brown with grayish markings and is sometimes called a wood tick.

The primary carriers are the American dog tick in the eastern U.S. and Rocky Mountain wood tick in the West.

The most common tick in North Dakota is the American dog tick, which is a close relative of the Rocky Mountain wood tick.

But the thought of returning the way I had come — wading a murky creek and huffing up a rutted cow path choked with wood ticks — was more depressing.