During the growth of young Great Bustard, resting behavior kept a high percentage, foraging and preening behavior increased with the decreasing of singing and crouching behavior.

• 在雏鸟成长过程中,休息行为比例一直保持很高,觅食和理羽行为呈现明显的上升趋势,鸣叫和蹲伏行为逐渐减少。