| 1. | The trophic niche breadth of little egret and cattle egret was 527 ,牛背鸳生态位宽度为0 |
| 2. | The food of cattle egret was mostly spider , locust , cricket and frog 牛背鸳主要取食蜘蛛、蝗虫、蟋蟀和蛙类。 |
| 3. | The food habit of 1itt1e egret and cattle egret were analyzed by getting 4 the food disgorged by nestlings 通过雏鸟呕吐出的食物团分析了白鸳和牛背鸳的食物成分。 |
| 4. | In yim tso ha egretry , you may see chinese pond herons , little egrets , cattle egrets and even the rare swinboe s egrets . the egretry is located near mainland china and next to mirs bay 在盐灶下白鹭林生态保护区内,您有机会看到巢居此地的池鹭、白鹭和牛背鹭,甚至是较罕见的黄嘴白鹭。 |
| 5. | The chinese pond herons , little egrets and cattle egrets regularly nest there . some pairs of the rare swinboe s egrets also nest there . since 1972 , a small number of night herons have become annual visitors 池鹭、白鹭和牛背鹭都经常在这里巢居,就是较罕见的黄嘴白鹭,也有数对巢居于此;一九七二年以来,一些夜鹭每年都飞到此地。 |
| 6. | The egrets population started breeding from match to april . the chiefly breeding place was in jiyu in 2001 , including 5032 little egrets , 4694 chinese pond herons ( ardeola bacchus ) , 1692 black - crowned night herons ( nycticorax nycticorax ) and 460 cattle egrets 鹭群3 4月开始进入繁殖期, 2001年主要繁殖地位于鸡屿,繁殖数量为白鹭5032只,池鹭4694只,夜鹭1692只和牛背鹭460只。 |
| 7. | She is a 5 - year old female asian water buffalo and wwf introduced her into a 1 . 4 hectare freshwater marshland home , giving her 18 - months to show how she can help to increase wildlife diversity inside the reserve , such as attracting cattle egrets , snipe and dragonflies 今年五月,世界自然基金会展开一项崭新的研究项目,并由一头5岁的雌性亚洲水牛负责,往后18个月它将以米埔保护区内一块面积1 . 4公顷的淡水沼泽地为家。 |
| 8. | Research on the egrets mixed population in xiamen egret natural reserve found that the reserve and its extending area provided the population fitting conditions through winter . the dominating component is little egret ( elpetta garzetta ) and there were some large egret ( egretta alba ) , cattle egret ( bubulcus ibis ) and few chinese egret ( egrtta eulophotes ) 2000 2001年,对厦门白鹭自然保护区的鹭类种群动态研究表明,保护区及其周边地区为鹭类种群提供了优良的越冬条件,越冬鹭群主要包括白鹭和少量牛背鹭与大白鹭,偶见黄嘴白鹭。 |