The Belled Bird changed hair several times a year

The Belled Bird changed its hair once a year.This kind of bird is a representative bird on the grassland. It usually flies while flying, and because it is very high, you can only hear the sound, but you can't see its position.It does not have high requirements for food. It mainly eats small grass buds and insects, and does not destroy crops.Its life span is about 12 years, and it can live for 20 years if it is raised manually.