Double-banded Courser
Smutsornis africanus
Beautiful, cryptic, upland shorebird. Adults show a scaly back and two bands across the chest. Juveniles lack the chest bands but usually associate with adults. Found within savanna and grassland in very open microhabitats such as gravel plains and heavily grazed patches. Call is an accelerating series of high whistles. Somewhat similar to Three-banded Courser but is more diurnal and has a less complex head and chest pattern.
识别特征
The bird's crown is pale and streaked with brown/black feathers. A narrow black stripe extends from the base of the bill, through the eye to the nape. The cheeks, chin, throat and neck are buff/white flecked with dark brown. The feather of the back and wing coverts are sandy brown with dark centres and broadly edged with white/buff. The short bill is blackish, eyes are dark brown and the legs and feet are pale grey.
分类信息
- 学名
- Smutsornis africanus
- 命名信息
- (Temminck, 1807)
- 目
- Unknown
- 科
- Strigidae
- 属
- Smutsornis
分布与栖息地
The double-banded courser is found in Ethiopia, Somalia, South Africa, and Tanzania. The bird is widespread enough to have practically no chance of becoming endangered or extinct.The double-banded courser lives and breeds in flat, stony or gravelly, semi-desert terrains with firm, sandy soil and tufty grass or thorn scrub.
- 迁徙
- Resident species
行为
Double-banded coursers breed in monogamous pairs. Breeding begins after a mating dance where the male dances in semicircles around the female. The female then lays one egg, which the parents take hour-long shifts incubating. After about twenty-five days, the egg hatches. The chicks leave the nest within 24 hours of hatching, although staying close to the nest until 3–4 days old, at which point it joins its parents. Both adults feed the chick with small insects until it becomes self-providing at about 5–6 weeks old.<p>The breeding season varies by country:<p>Ethiopia - April–June; Somalia - February–July (mainly May–June); Tanzania - November; South Africa - all year, peaking in October–November.<p>The bird eats mostly insects, such as ants, termites, and beetles. It catches its prey by quickly running after it and jabbing with its bill.
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Yellow-throated Nicator
Nicator vireo
A shy but loud bird of forests and forest edges that usually stays within cover. Shaped like a greenbul, but has a thicker, more robust bill. Shows grayish underparts, greenish upperparts, yellow spots on the tips of the flight feathers and upperwing coverts, a yellow throat, and yellow lores. Similar to the larger Western Nicator, but note Yellow-throated’s smaller size, yellow throat and lores, and distinctive song, which often betrays its presence: a sputtering series of notes that can be surprisingly resonant and loud, a “p-p-p-po-keer-ko-wheeeer-pop” and other variations. Call is a growling trill, “prrrrrr.”
White-faced Whistling-Duck
Dendrocygna viduata
Striking duck with black-and-white head, rufous breast, and barred flanks. Like all whistling-ducks, long neck and legs give it a gooselike appearance. Found in freshwater marshes, lakes, and rice fields. Usually in flocks, sometimes numbering in the hundreds. Quite widespread in South America and Africa. Feeds at night.
Sinaloa Crow
Corvus sinaloae
Small glossy crow, common in northwest Mexico; endemic. Occurs in towns, villages, rubbish dumps, farmland, and semiopen areas with hedges and taller trees; often near water. Roosts locally in mangroves (at times in thousands). Social and usually in flocks, at times of hundreds. Most likely to be confused with male Great-tailed Grackle, which has pale eyes and longer and keel-shaped tail (shed in late-summer molt). Calls are high, nasal caws.
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