Speaking of voles, many people think of them as pests that haunt fields and steal food. In fact, this understanding is relatively shallow. Not all voles live in fields, grasslands, and forests. There are members of their family in mountains, mountains and other places; in terms of diet, voles do not only eat grain, some also prefer to eat grass seeds, small bugs, etc. Today, the editor would like to introduce to you the field mouse from Russia, the Sakhalin field mouse. It is a little different from the field mouse that many people have in mind.
一, Morphological characteristics
1. Body shape
The body length of the Sakhalin vole usually does not exceed 150 mm, and its weight is basically about About 30 grams, the tail is very short, usually 1/3 or 1/4 of the body length. This physique is a bit petite for their vole family.
2. Head
The skull of this rat is thick and solid, and the size and shape are not very consistent, but usually the center of the posterior edge of their palatine bone They are all connected to the wing-shaped bony protrusions and look like they have no neck.
Eyes: relatively small, like two random dots drawn on them, but very bright;
Ears: very short, almost hidden in the hair, but nice Normal in the ear shell;
Teeth: Overall strong and wear-resistant, the upper incisors will hang downward or slightly tilt forward, and there are usually four or five seals in front of the transverse lobes of the first lower molar. The third lower molar has three half-moon or rectangular oblique tooth rings. Molars are divided into many lobes with a flat chewing surface, and these molars can grow throughout life.
3. Hair
The hair of the Sakhalin vole is mostly fluffy and fluffy. The base of the back hair is usually black and gray, and the tip is It is sandy yellow with a small amount of black hair mixed in. However, the color of the hair on the side will be lighter, and it will feel like it has gradually faded from the color of the hair on the back, so it is difficult to distinguish between the two. Its ventral surface is generally milky gray, the base of the hair is gray, and the ends of the hair are milky white.
4. Limbs
The limbs of the Sakhalin vole will appear smaller, especially when lying down, it is harder to notice them. Still, they're pretty sharp and don't have cheek pouches on them. In addition, the hind paws are only slightly hairy near the heels, and the rest are bare, so the pads are clearly visible.
2. Living habits
1. Habitat
The Sakhalin vole mainly lives in Sakhalin Island in Russia, where they can often be found running under trees and grass.
2. Nest
Sakhalin voles are also good burrowers, with criss-crossing underground tunnels. When they encounter other animals nearby, , they will quickly get into the cave to ensure their own safety.
3. Dietary habits
In terms of diet, Sakhalin voles feed on plants, so they will change with the seasons. A picky eater, but in excessive numbers it can cause damage to local forests and grasslands.
Okay, the above is some basic introduction about the Sakhalin vole. Is it different from the vole in your impression?
