Saffron Finch

Sicalis flaveola

Widespread and common but patchily distributed. Male is bright yellow with saturated orange on forehead. Typically shows less brownish-olive tone on back and wings than many yellowfinches, but southern populations of Saffron are duller and browner above. Females are duller than males, with southern populations even browner and streakier. Could be confused with Grassland Yellow-Finch, but that species is usually duller and more heavily streaked above. Orange-fronted Yellow-Finch is smaller. Saffron Finch is found in dry open habitats including agricultural land and towns. Often in flocks.

识别特征

The male is bright yellow with an orange crown which distinguishes it from most other yellow finches (the exception being the orange-fronted yellow finch). The females are more difficult to identify and are usually just a slightly duller version of the male, but in the southern subspecies S. f. pelzelni they are olive-brown with heavy dark streaks.

分类信息

The saffron finch was formally described in 1766 by the Swedish naturalist Carl Linnaeus in the 12th edition of his Systema Naturae under the binomial name Fringilla flaveola. The specific epithet is a diminutive of the Latin flavus meaning "golden" or "yellow". The type locality is Suriname. The saffron finch is now placed in the genus Sicalis that was introduced in 1828 by the German zoologist Friedrich Boie.<p>Five subspecies are recognised:

学名
Sicalis flaveola
命名信息
(Linnaeus, 1766)
Passeriformes
Thraupidae
Sicalis

分布与栖息地

迁徙
Resident species

保护状况

种群趋势
stable

照片

分布

鸟叫声

其他鸟类

Plain-bellied Emerald

Plain-bellied Emerald

Chrysuronia leucogaster

Plainly patterned green-and-white hummingbird. Note entirely white underparts and reddish base of bill. Forages actively on flowers like other hummingbirds. Generally absent from regions of undisturbed forest; found in urban areas, mangroves, abandoned plantations, and second-growth scrub; most common in coastal areas. Very similar to White-chested Emerald and may not be safely separable unless seen well; Plain-bellied has longer bill with reddish base.

Semipalmated Sandpiper

Semipalmated Sandpiper

Calidris pusilla

Small, grayish-brown sandpiper. Typically shows relatively short, blunt-tipped bill, but this varies across the breeding range: western populations are shortest-billed, eastern populations are longest, and females have longer bills than males! Also note blackish legs, although they can appear dull gray or greenish. In breeding plumage, fairly pale grayish brown, sometimes with brighter rusty cap and cheek. Nonbreeding is plain gray above and white below. Juveniles have attractive scaly pattern on upperparts, and variable coloration: usually grayish with some buffy areas, occasionally brighter rufous. Most similar to Western and Least Sandpipers. Western averages slightly larger and longer-billed, with brighter rufous on breeding adults and juveniles; nonbreeding birds paler but extremely similar to Semipalmated. Least Sandpiper is darker and browner. Breeds on high Arctic tundra. Migrates to South America for the winter; very rarely lingers in the U.S. past November, unlike Western Sandpiper. Usually found in flocks, sometimes in very large numbers. Prefers open mudflats, but also found in marshes and beaches.

Rufous Mourner

Rufous Mourner

Rhytipterna holerythra

Overall rusty-colored, medium-sized flycatcher of humid tropical forest in the lowlands. Favors middle to upper levels inside forest, where sits still for long periods and sallies out for insects and other small critters. Call is a distinctive slow wolf-whistle—“whee-wheeu,” given at infrequent intervals and easily imitated. Note the overall rusty plumage, slender bill, and behavior. Can be confused with slightly larger Rufous Piha, which has a bushier face, paler throat, and a very different voice.

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