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Gopher

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Pocket gophers are specialized burrowing rodents belonging to the family Geomyidae. These animals are endemic to North and Central America. They are most famous for their extensive tunneling activities. This behavior often causes them to be viewed as pests by humans. They can damage gardens and farms by eating plants. However, their digging also affects the environment in complex ways.

Pocket gopher
Pocket gopher

To survive underground, gophers have developed several unique physical traits. Their most famous feature is their large cheek pouches. These fur-lined pouches extend from the side of the mouth to the shoulders. Gophers use these pouches to transport food back to their burrows. This behavior makes them "larder hoarders," meaning they store large amounts of food. They also have small eyes and short, hairy tails. They use their tails to feel the tunnel walls while walking backwards.

Living underground requires a complex system of tunnels. Gophers create networks that provide both protection and food storage. These burrows are often found in soft, moist soil. You can identify a gopher's entrance by small piles of loose soil. Gophers are generally solitary animals outside of the breeding season. They aggressively maintain individual territories to protect their resources. While they usually live alone, males and females may share nesting chambers if territories border each other.

Attwater’s Pockrt Gopher (5A) Weishuhn Rd. Colorado Co. TX; 12 May 2014
Attwater’s Pockrt Gopher (5A) Weishuhn Rd. Colorado Co. TX; 12 May 2014

There is significant variety among the roughly 41 species of pocket gophers. Scientists organize them into different groups called genera. For example, the genus Geomys includes eastern pocket gophers. These are found mainly in the southwestern United States. Another group is the genus Thomomys, known as western pocket gophers. They are widely distributed across North America, including Canada. There are also giant pocket gophers in the genus Heterogeomys. These live in Mexico, Central America, and Colombia.

Attwater’s Pockrt Gopher (5A) Weishuhn Rd. Colorado Co. TX; 12 May 2014
Attwater’s Pockrt Gopher (5A) Weishuhn Rd. Colorado Co. TX; 12 May 2014

Physical measurements and lifespans vary across the family. A typical pocket gopher weighs about 1 pound and is 10 inches long. Some species can approach higher weights. Males are often much larger than females and can weigh nearly double. Most gophers live between one and three years in the wild. However, some species in the genus Geomys have lived up to seven years. Their babies are born blind and helpless. They are weaned from their parents when they are about 40 days old.

While gophers can be destructive, they play a role in the ecosystem. They eat plant roots, shrubs, and juicy vegetables like carrots and radishes. This can leave areas of bare, denuded soil. This soil disturbance can actually help new types of plants grow. Furthermore, the food they stash in their larders eventually decomposes. This process provides deep fertilization for the soil. They must remain alert for predators like snakes, hawks, and weasels.

Pocket gopher
Pocket gopher

Human culture often references the gopher, even if the names are not always scientifically accurate. The state of Minnesota is nicknamed the "Gopher State." The University of Minnesota uses the "Golden Gophers" as a mascot. Interestingly, this mascot is actually a thirteen-lined ground squirrel. Ground squirrels belong to the family Sciuridae, which is distantly related to Geomyidae. The name "gopher" itself has an uncertain origin. Some suggest it comes from the French word for "waffle." This might be because their tunnels look like a honeycomb pattern.

Pocket gopher
Pocket gopher
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File:Pocket gopher.jpg
Pocket gopher.jpg
File:Attwater’s Pockrt Gopher (5A) Weishuhn Rd. Colorado Co. TX; 12 May 2014.jpg
Attwater’s Pockrt Gopher (5A) Weishuhn...
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