There are nearly 9000 species of birds known to people

It is also a very popular kind of pet, which has been loved by many people since ancient times.

It is also a very popular kind of pet, which has been loved by many people since ancient times. According to statistics, there are nearly 9000 species of birds known to people all over the world. Bird pets usually have two feet instead of four limbs. They basically have feathers, wings, air bags, and hollow bones. Therefore, most African grey parrots can fly, and most of them are used to arboreal life. Bird pets can generally be divided into purring, ornamental and skill categories according to their breeding purposes, such as parrots, canaries, larks, thrushes, pigeons, myna and acacia. Bird pets generally like to eat nectar, various plant seeds, insects or worms. The longest lived caged bird in the world is the sunflower crested parrot, which can live as long as 80 years.