White-faced Ibis

Plegadis chihi

Long decurved bill. Dark overall with iridescent green and reddish tones on adults. Broad white border to reddish face and red eyes. Found mainly in shallow wetlands of the western U.S. Best distinguished from Glossy Ibis by range and facial pattern. Also note more subtle features: reddish legs and paler bronzy tones to wings.

识别特征

The white-faced ibis is very similar to the glossy ibis in its non-breeding plumages, but it tends to be slightly smaller and the plumage color is somewhat warmer. Breeding adults have a pink, bare face bordered with white feathers (rather than a bluish bare face with no bordering feathers), a grey bill, and brighter-colored, redder legs. Adults have red eyes year-round, whereas glossy ibises have dark eyes. Juveniles of the two species are nearly identical.<p>Measurements:

分类信息

学名
Plegadis chihi
命名信息
(Vieillot, 1817)
Pelecaniformes
Threskiornithidae
Plegadis

分布与栖息地

The white-faced ibis occurs in Canada, the United States, and Central America, and a second subspecies inhabits the southern half of South America, east of the Andes Mountains. In 2012, the total population size was estimated to be 1.2 million individuals, and increasing. The IUCN rates it as being of Least Concern.<p>Migration and interchange between North and South American subspecies does not occur. Within North America, birds breeding in northern areas of the range move south to wintering areas. For example, breeders in northern California and southern Oregon move to wintering areas in southern California and México or Central America. Some birds breeding in Yellowstone in Wyoming will overwinter in areas such as Texas and coastal Gulf of Mexico regions.

迁徙
Complete migrants

保护状况

种群趋势
rising

照片

分布

鸟叫声

其他鸟类

Yellow-billed Pintail

Yellow-billed Pintail

Anas georgica

Handsome and generally common dabbling duck of wetlands, lakes, and river mouths. Sexes look alike with a bright yellow bill (duller for a short while on young birds), a plain and rather “soft-faced” brown head, and dark-mottled sides. Also note its elegant shape with a slender neck and long pointed tail. Yellow-billed Teal look somewhat similar (and often occurs in same areas) but Yellow-billed Teal are smaller and more compact with a darker head and plain grayish sides.

Mindanao Cuckooshrike

Mindanao Cuckooshrike

Coracina kochii

Burly gray cuckooshrike with dark eyes and a heavy bill. Endemic to the southern and east-central Philippines, from Bohol east to Samar, and south to Mindanao and Basilan. Both male and female are gray above and barred black-and-white below. Inhabits lowland and foothill forest and forest edge, where forages at middle and upper levels, sometimes associating with other species. Gives a range of high-pitched and scratchy calls, including doubled screeching notes: “whee-wheet!” Formerly treated as part of a more broadly-defined “Bar-bellied Cuckooshrike”.

Pin-tailed Parrotfinch

Pin-tailed Parrotfinch

Erythrura prasina

A beautiful ghostlike bird that materializes in large numbers during rice harvest and bamboo seeding events, and promptly vanishes afterwards. Male is leaf green with a blue face and reddish belly. Female has a more faded blue face and lacks the red belly. Both sexes have a point-tipped tail, but the male’s is substantially longer. Forages in flocks, often dangling off of bamboo tips or seeding rice heads, giving high thin “tseep” notes.

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