The red pika is a mammal of the genus Pika of the Pika family. In mainland China, it is distributed in Xinjiang and other places, and mostly lives in the mountains. The type origin of this species is in Old Turkestan. Red pikas gain weight very quickly.

A newborn baby red pika is hairless , The back is dark gray, the abdomen is red, the eyes are not opened, the ear holes are not opened, and the incisors have erupted, and the weight is 7.6 to 9.7 grams. On the 3rd day after birth, the body grows cilia as fine as silk, and can roll over and roll on the ground. The fifth day after birth The color of the fur is dark brown, can crawl but stand unsteadily, the weight has reached 12.7-18.7 grams, the eyes have been opened 7 to 8 days after birth, the ear holes are slightly open, can stand and walk, the weight is 17.1-26.0 grams, run around in 11 days Move, start to eat wheat seedlings or fresh alfalfa, can eat apples and carrots in 14 days, move quickly, weigh 28.4-40.6 grams, and move in almost the same way as an adult red pika in 16 days, and play with its mother. Eating while breastfeeding, and mainly eating. After 20 days, the pellets can be eaten. At this time, the young red pika still wants to eat milk, but the mother red pika refuses to feed it. At this time, the weight reaches 40 to 60.5 grams. They can be weaned from the milk in 21 to 23 days, separated by male and female, and live independently in a single cage after 30 days, weighing 63.0 to 74 grams, and 82 to 86 grams in 40 days. The male red pika is sexually mature before and after 50 days, and chases the female red pika. Mating, the body weight is 93 to 102 grams.