Spend much time exploring Iowa’s summer marshlands, and you’re likely to encounter a somewhat colorful reptile known as the red-sided garter snake. The species is named for the obvious red ...

Around 75,000 to 150,000 red-sided garter snakes gather for mating. This is the world's largest snake aggregation. Conservation efforts, like tunnels under highways, helped the snake population ...

More than 75,000 snakes descend upon the location annually. In Manitoba, Canada, you can find the world's largest concentration of snakes at the Narcisse Snake Dens. Each year, around 75,000 red ...

In this episode, we explore one of the largest snake dens on Earth, home to over 75,000 red-sided garter snakes. From their synchronized emergence to the eerie spectacle of mating balls ...

The best place to observe this is at the Narcisse Snake Dens in Manitoba, Canada. Here, hundreds of thousands of red-sided garter snakes emerge from dens in May. Tourists from around the world ...

(Also see "Year of the Snake: The Serpent Behind the Horoscope ... What attracts them? This grouping of red-sided garter snakes has the most northern range of any reptile in the Western Hemisphere.

(Submitted by Edmonton and Area Land Trust) The red-sided garter snake is the most wide-ranging snake in Alberta and can be found in the Boreal Forest, Foothills and Parkland regions.

This one will be relocated to a safer area by Ciara Fraser and her team. (Submitted by Edmonton and Area Land Trust) The red-sided garter snake is the most wide-ranging snake in Alberta and can be ...

One of the subspecies, red-sided garter snakes, also have red bars or spots between the dorsal and lateral stripes. Telling a western ribbon snake from a plains garter snake from a common garter ...

With the onset of spring, a mass of red-sided garter snakes at the Narcisse Snake Dens, Manitoba, Canada, emerges from their hibernaculum That the four fossilized ancient snakes were found huddled ...