Speckled Mourner
Laniocera rufescens
Scarce inhabitant of humid evergreen forest in tropical lowlands, where lives mainly at middle levels in shady understory. Often perches still and rather upright for long periods, sallying out occasionally for fruit and small invertebrates. Plumage rusty overall with paler eyering, darker wings marked with big rusty spots, and faint dusky scaling on breast. Yellow shoulder tufts usually concealed, but shown when excited. Much commoner Rufous Mourner similar but plainer and sleeker.
识别特征
The speckled mourner grows to a length of about 20 cm (8 in). It has a rounded head and a narrow yellow ring round the eye. The upper parts are reddish-brown with some barring on the wings, and the underparts are a similar colour, often with darker scaling. Males have a tuft of yellow feathers on the breast, but this is usually kept concealed. The rufous mourner (Rhytipterna holerythra) has similar colouring but has a differently-shaped head, a narrower-based beak (it is an insect-eater) and lacks the breast and wing markings. Another bird with which it could be confused is the rufous piha (Lipaugus unirufus), but that has a broader-based beak as befits an omnivorous diet, and more uniform colouring, with no yellow pectoral tuft.<p>This bird is of a retiring nature and seldom seen, but it makes its presence known with its clear, ringing song, a sequence of about a dozen repeated "Tleeyr, tleeyeei, tleeyeei, tleeyeei ...", sung from a low perch.
分类信息
- 学名
- Laniocera rufescens
- 命名信息
- (Sclater, PL, 1858)
- 目
- Passeriformes
- 科
- Tityridae
- 属
- Laniocera
分布与栖息地
The speckled mourner is found in Central America and northern South America, its range extending from Mexico to Panama, Belize, Colombia and Ecuador. It occurs in the middle and lower parts of the canopy in moist forest, at altitudes of up to about 1,000 m (3,300 ft).
- 迁徙
- Resident species
行为
Little is known of the breeding of this species. A generally solitary bird, it usually forages alone but it may join small groups of birds of mixed species. Its diet consists mainly of insects and other arthropods, small reptiles and fruit.
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Gray-hooded Flycatcher
Mionectes rufiventris
Small flycatcher that is largely olive above and cinnamon below with a gray head. The bill is two-toned with a pale base. Found in the understory of humid forests, second growth, and forests edges. Males may display in groups giving a low nasal “bayo” song.
Stripe-necked Tody-Tyrant
Hemitriccus striaticollis
A small, relatively drab flycatcher found locally across its wide range. Primarily yellowish in plumage, brightest on the belly. Whiter throat has strong grayish stripes blending into blurrier streaks on the chest. Generally found in scrubby semi-humid habitats, and often likes viney tangles. Where overlaps with the similar Johannes’s Tody-Tyrant, note the stronger throat markings and generally brighter overall coloration.
Mount Kupe Bushshrike
Chlorophoneus kupeensis
A grayish bushshrike with green wings and tail and a unique head pattern: the black mask curls down to form a narrow black breast band surrounding the white throat. Some morphs have a purple dot at the base of the throat. Juvenile has less distinct face pattern than adult. A rare resident, restricted to a handful of sites in the Cameroon-Nigeria highlands, where it is found singly and in pairs in the canopy of primary hill forest between 930 and 1550 meters of elevation. Calls include an electric grating “cha-cha-cha-chggrrt-chggrrt-chggrrt” like a laser-gun sound effect in a computer game, as well as harsh croaking, whistles, and ticks. May snap wings when agitated.
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