论文部分内容阅读
东方白鹳属于大型涉禽,是国家一级保护动物,在我国约有2500~3000只。东方白鹳常在沼泽、湿地、塘边觅食,主要以小鱼、蛙、昆虫等为食。性情宁静而机警,飞行或步行时举止缓慢,休息时常单足站立。3月份开始繁殖,筑巢于高大的乔木或建筑物上,每窝产卵3~5枚,白色,雌雄白鹳轮流孵卵,孵化期约30天。东方白鹳的嘴基较厚,往尖端逐渐变细。体羽包括尾部在内主要为白色。前颈下部有呈披针形的长羽,在求偶期间能竖直起来。
Eastern white stork is a large wading bird, is a national animal protection, in our country about 2500 ~ 3000. Oriental white stork often swamps, wetlands, ponds foraging, mainly fish, frogs, insects and other food. Quiet and alert nature, slow flight or walking, resting often stand alone. March began breeding, nesting in tall trees or buildings, each nest spawning 3 to 5, white, male and white stork alternate hatch, incubation period of about 30 days. Oriental white stork mouth thick base, to the tip tapering. Body feathers, including the tail, mainly white. The lower part of the anterior neck has plumes that are lanceolate and can be upright during courtship.