【摘要】 1998、1999年2～10月,在辽宁省朝阳县苏家营子对苍鹭的繁殖生态习性进行了观察研究。该鸟在辽宁省为夏候鸟,每年最早2月26日迁来,最晚9月28日迁离,居留期210d左右,产卵始期为3月21日,隔日1枚,窝卵数5～7枚,产出第1枚卵后开始孵化,孵化期24～26d,孵化率为92.3%。幼鸟为晚成鸟,育雏期40d左右。更多还原

【Abstract】 Ecological habits of reproduction of Ardea cinerea were studied in Sujiayingzi village of Chaoyang city in Liaoning province from Feb. to Oct. in 1998 and 1999 respectively. Ardea cinerea is a aestival migrant that flew here as early as Feb. 26th and left as late as Sep. 29th, the residence period was about 210 d; starting time of laying eggs was on March 21th, one egg was laid every other day and number of eggs per batch was 5~7, hatching began after the first egg was laid, hatching time lasted 24~26 d, hatching rate was 92.3%. Infant birds were serotinal, infant cultivation period was about 40 d.更多还原