Snowy Egret
Egretta thula
Small white heron with black bill, black legs, and yellow feet. Lores (between eye and bill) are usually bright yellow, but flush reddish in the breeding season. Also note lacy plumes on head, breast, and back during breeding season. Immatures have duller yellow lores and more yellow extending up the legs than adults. Fairly common and widespread in North and South America; often most common along the coast. Found in a variety of wetland habitats, especially shallow marshy pools and mudflats. Forages fairly actively in shallow water, often darting after small fish. Compare with immature Little Blue Heron, which usually has more greenish legs and lores, and note Snowy’s more active feeding style.
识别特征
Adult snowy egrets are entirely white apart from the yellow lores between the long black bill and the eye, black legs, and bright yellow feet. The nape and neck bear long, shaggy plumes known as aigrettes. Immature snowy egrets have duller, greenish legs.<p>Measurements:
分类信息
- 学名
- Egretta thula
- 命名信息
- (Molina, 1782)
- 目
- Pelecaniformes
- 科
- Ardeidae
- 属
- Egretta
分布与栖息地
The snowy egret is native to North, Central and South America. It is present all year round in South America, ranging as far south as Chile and Argentina. It also occurs throughout the year in the West Indies, Florida and coastal regions of North and Central America. Elsewhere, in the southern part of the United States, it is migratory, breeding in California, Nevada, Utah, Colorado, Arizona, New Mexico, Texas, Louisiana and Mississippi. It is found in wetlands of many types; marshes, riverbanks, lakesides, pools, salt marshes and estuaries. It is not found at high altitudes nor generally on the coast. The snowy egret has occurred as a vagrant in Europe, in Iceland, Scotland and the Azores. It has also been recorded in South Africa.
- 迁徙
- Complete migrants
保护状况
- 种群趋势
- rising
照片
分布
鸟叫声
其他鸟类
Marbled Murrelet
Brachyramphus marmoratus
Small seabird that breeds in old-growth evergreen forests, sometimes far from the coast. Often in small flocks on coastal waters, where it dives underwater searching for fish. Breeding plumage is dark brown with few contrasting marks; slightly darker cap and blotchy pale belly. Nonbreeding birds are sharply patterned black, white, and gray. Note black cap that extends below the eye, a white collar, and dark grayish pattern on back. Bill is very short and thin. Similar to several other species of murrelets and difficult to distinguish without good views, but note details of face pattern and range.
White-browed Tit-Warbler
Leptopoecile sophiae
A tiny purplish-blue bird with a chestnut cap, a soft pink belly, and a pale brow that is not always prominent, and more often grayish than white. Lacks the pale head of Crested Tit-Warbler. Breeds in high-altitude forests and scrub, but descends into foothills in the winter. Usually seen singly, in small flocks, or as a part of mixed flocks. Gives high crisp-sounding notes, usually in pairs.
Somali Fiscal
Lanius somalicus
A small black, white, and gray shrike. The sexes look similar. Note the white patches at the bottom middle and near the end of the wing. Along with the white outer tail, these can be conspicuous in flight. Found in dry savanna and grassland. Perches up conspicuously, often in pairs. Very similar to Taita Fiscal, but has multiple white patches on each wing instead of just one. The repetitive vocalizations include scratchy notes, usually higher and rougher than those of Taita Fiscal, often delivered in a rising pattern.
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