As is common in snakes, there is a dietary shift as they age, with larger individuals expanding their dietary breadth from small skinks and frogs to birds and other snakes. In eastern populations (e.g., eastern and western yellow bellies) 90% of the diet is made up by insects like grasshoppers and katydids, whereas for midwestern racers most prey are voles and mice. They are opportunistic predators and primarily feed on small mammals and insects, but there is dietary variation across their range. There are 11 recognized subspecies that sport different color patterns, including speckled black and white, cryptic brown, yellow-green, light blue, and jet black. Coluber constrictor foxii, commonly known as the blue racer, is a subspecies of Coluber constrictor, a species of nonvenomous, colubrid snakes. Racers are found throughout North America, reaching northern latitudes in British Columbia and also south to Guatemala. Prey for the Eastern racer includes birds and eggs, other snakes. Scientific Name: Coluber constrictor foxii Location: North America Midwest Size: 34-65 inches (86-165 cm) Lifespan: 14-21 years Diet: Small mammals, frogs, lizards, and other prey common to the floors of grasslands Venomous: No Interesting Fact: One of the fastest snakes in the world can travel up to 4.5 mph, or 7.2 km per hour. Reason for designation: The snake is almost certainly extirpated from mainland Ontario and blue racers are now found only in the eastern two-thirds of Pelee Island. Oregon - kfx43936 Blue Racer Animal Facts Coluber constrictor foxii - AZ. If you are lucky to peer closely into their eyes, the faint orange iris looks like a solar eclipse. Scientific name: Coluber constrictor foxii. From a distance they may seem entirely black with some light patches on the face, but they are a beautiful steel gray color with lateral blue accents and a bright underbelly. The eastern yellow-bellied racer ( Coluber constrictor flaviventris) is a swift and slender species with keen eyesight for actively foraging during the day. The blue racer ( Coluber constrictor foxii) is the subspecies found in Minnesota.
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