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1. Squirrels build their nests in dense branches, or take advantage of the abandoned nests of crows and magpies, and sometimes make nests in tree hollows;
2. In addition to wild fruits, they also eat young twigs, young shoots, leaves, as well as insects and bird eggs.
3. As soon as autumn arrives, squirrels begin to store food, a squirrel often stores a few kilograms of food in several places, and sometimes sees squirrels drying food on trees to prevent them from spoiling and rotting. In this way, in the cold winter, the squirrel does not have to worry about running out of food.
4. Squirrels are generally active during the day and are more active in the early morning. It has a good sense of hearing and vision, and is agile and lively.
5. If you treat it meekly, the squirrel will gently gnaw your finger with its teeth and play with you, and it will feel very itchy, which is a sign that it is friendly to you.
6. When squirrels sleep, they will cover their bodies with their tails as quilts.
The baby squirrel, the young of the squirrel, is a family of mammalian rodents, which includes the subfamily Squirrel and the subfamily African ground squirrel, and is characterized by a long, furry tail.
They are generally small in size and mainly herbivorous, and their diet is mainly seeds and nuts. In addition, there are children's literature writer Ge Cuilin's work "Little Squirrel", Decision Company's Little Squirrel Wall-hung Stove, Little Squirrel Network, etc., and there are also referred to as Little Squirrels.
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Appearance: Squirrels are usually medium in size and are typical animals in cold temperate coniferous forests and mixed forests. The squirrel has 5 maxillary molars and 4 lower jaw molars, and the number of upper and lower jaw molars varies.
There are no leather wings between the anterior and hind limbs. The limbs are strong, the toes have sharp claws, the claw ends are hooked, and the weight is usually around 350 grams, and the female is slightly heavier than the male.
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1. Body type.
Squirrels are typical animals in cold temperate coniferous forests and mixed forests. The squirrel is dignified and light, some are medium-sized, with a body length of 18 28 cm, a tail length of 15 24 cm, and a weight of 300 400 g; Some are small, and the smallest can be as small as the African Pygmy Squirrel, about 7 10 centimeters long and weighing about 100 grams.
The largest body is as large as a marmot (marmot), about 53 73 cm long and weighs about 5 8 kg. Most squirrels are typical arboreal creatures with elongated bodies that appear very small against the soft, dense hair. Females weigh slightly more than males.
2. Teeth. The squirrel has 5 maxillary molars and 4 lower jaw molars, and the number of upper and lower jaw molars varies.
3. Limbs. The squirrel has no skin wings between the front and rear limbs, the limbs are strong and slender, the limbs and front and rear feet are longer, and the hind limbs are longer, but the forelimbs are shorter than the hind limbs, the toes have sharp claws, and the fingers and toes have sharp hook claws, and the claw ends are hooked.
4. Buccal pouch. The genus Chimpun and Squirrel have buccal pouches on the inside of their cheeks and can store a lot of food.
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Features of the squirrel:
1. Body size: Squirrels are generally small, and the size can be as small as 7 10 cm long and about 100 grams in weight in African pygmy squirrels, and as large as 53 73 cm long and about 5 8 kg in weight of marmots (marmots). The squirrel has no skin wings between the front and rear limbs, and the limbs are strong, with sharp claws on the toes, hooked claws, and the females are slightly heavier than the males.
The body length is 20 28 cm, the tail length is 15 24 cm, and the weight is 300 400 grams. The eyes are large and bright, the ears are long, and there is a single hair at the tip of the ear, which is especially noticeable in winter. summer hairs black-brown or russet-brown; Winter hair gray, smoky gray or grayish-brown, belly hair white.
The limbs are elongated, the hind limbs are longer, and the fingers and toes have sharp hooks. The tail hair is numerous and fluffy, often curled backwards towards the back.
2. Habitat:
Squirrels mostly inhabit coniferous forests and mixed coniferous and broad-leaved forests in cold temperate zones, especially in woods on hillsides or on both sides of river valleys. Squirrels prefer to live alone in the woods, and some also build nests in trees. During the day, he is good at climbing and jumping on trees, and his long fluffy tail plays a balancing role.
When jumping, the body is supported with hind limbs, and the tail is straight, and it can be more than ten meters away in one jump. Squirrels do not hibernate, but on snowy days and particularly cold weather, squirrels seal their holes with hay and hold their long fluffy tails for warmth, so that they can not go out of their burrows for several days, and then come out to forage when the weather is warm.
3. Food: mainly eat acorns, chestnuts, walnuts and other nuts, also like to eat pine nuts, often go to the coniferous forest to find pine seeds to eat, but also eat pine branches and leaves, bark, fungi, insects, birds, etc. Have the habit of storing food.
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A squirrel came out in the cold winter to look for some food, and in a white snowfield, the pine tree found a little green, and ran to the little green squirrel, "Wow——!It turned out to be a tree! The squirrel screamed.
That's right, I'm a tree, a pine. The old pine tree said to the cute little squirrel.
The little squirrel said, "Hello! Grandpa Pine, maybe you are a little different from other trees, your leaves don't fall, you don't fear the cold. ”
Grandpa Pine smiled and plucked a large pine nut from his body, handed it to the little squirrel, and said to the little squirrel, "Eat!" Child. ”
This big pine nut was enough for the little squirrel to spend the whole winter, and the little squirrel happily hugged the pine grandfather, "Oops! - It hurts me. "The little squirrel was pricked by the needle-like leaf of the grandfather squirrel, and the little squirrel said to the grandfather pine
Why are your leaves different from other trees? ”
Grandpa Pine said to the little squirrel: "It is precisely because my leaves are thin and water is not easy to lose, so I can still survive normally in the harsh environment, will not lose leaves, and remain evergreen." ”
The little squirrel nodded understandingly, said goodbye to Grandpa Squirrel and went home happily.
Eat some pine nuts, other questions can be found on the encyclopedia.
The theme of this unit is "people and animals", this article is written in a different way from lesson 21, mainly writing about some interesting stories after a squirrel ran into my house [squirrels do everything possible to store winter food] [fresh mushrooms we picked, squirrels worked hard a morning to dry them all] [when it was cold, squirrels put gloves and bandanas into the chimney to cushion their nests] The author made us feel the squirrels (cute) through these interesting stories, and experienced the author's family's (love) for squirrels.
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