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The three species in this genus of New World mice are only distantly related to the common house mouse, Mus musculus.They are endemic to the United States and Mexico. The southern grasshopper mouse has around a 3.5 to 5.0 inches (8.9–12.7 cm) long body and a tail that is generally 1.0 to 2.5 inches (2.5–6.4 cm) long. [2]
The mice eat small insects and coastal plant such as beach grasses and sea oats. They gather seeds which have separated from the plant and blown to the ground. Every night, they leave their burrows to gather the sea oat seeds which have blown to the ground, then return them to their burrows for storage.
One theory is that the mice eat lichens, a combination between a fungus and an alga, Storz said, that is also a common part of some Arctic mammal diets, another example of a harsh, barren environment.
These mice have a system of multiple burrows, each one serving a different function. The nest burrow is the primary area of activity during the day. To keep moisture in during the day, they close up the opening. A retreat burrow serves as a quick escape from predators. Its design is about 10 inches into the ground at a 45° angle.
The nails of burrowing species tend to be long and strong, while arboreal rodents have shorter, sharper nails. Rodent species use a wide variety of methods of locomotion including quadrupedal walking, running, burrowing, climbing, bipedal hopping ( kangaroo rats and hopping mice ), swimming and even gliding. [ 4 ]
The food preference of the meadow jumping mouse consists of seeds, but they also eat berries, fruit and insects. Usually right after emerging from hibernation they will eat the larvae of insects such as butterflies, and beetles of the family Carabidae, and Curculionidae. Later they will feed on seeds, and endogone which is a fungus.
The 6 Best Foods to Eat for Healthy Nails, According to Dietitians. Courtney Southwick, M.S. December 7, 2024 at 4:00 AM. Reviewed by Dietitian Karen Ansel, M.S., RDN. nito100 / Getty Images.
Great Basin pocket mice are fairly successful at finding buried seed caches, even those buried by other individuals. In a laboratory experiment, Great Basin pocket mice found Indian ricegrass seeds 17.5% of the time when researchers cached seeds 1.3 centimeters below ground; 42.5% of the time when seeds were cached 0.6 centimeter below ground ...