Rifleman
Acanthisitta chloris
New Zealand’s smallest bird. Tiny endemic wren with fragmented distribution across both islands. Often found in patches of mature forest and scrub. Constantly moving across tree trunks and within the canopy. More common in higher-altitude beech forest. Males are smaller, with bright green on the head and back. Females are mainly yellowish-brown. Note the short wings, the stumpy tail, and the slender, upturned black bill. Utters an almost constant high-frequency “zipt,” “pip,” or “chuck” calls while foraging that are often inaudible to people. Distinguished from South Island Wren by smaller size and shorter legs; rarely feeds on forest floor. Habitats unlikely to overlap.
识别特征
A rifleman is an infantry soldier armed with a rifled long gun. Although the rifleman role had its origin with 16th century hand cannoneers and 17th century musketeers, the term originated in the 18th century with the introduction of the rifled musket. By the mid-19th century, entire regiments of riflemen were formed and became the mainstay of all standard infantry, and rifleman became a generic term for any common infantryman.
分类信息
Genus: Acanthisitta; Family: Acanthisittidae; Order: Passeriformes.
- 学名
- Acanthisitta chloris
- 命名信息
- (Sparrman, 1787)
- 目
- Passeriformes
- 科
- Acanthisittidae
- 属
- Acanthisitta
分布与栖息地
- 迁徙
- Resident species
行为
Migration pattern: Resident species.
保护状况
Population trend: declining.
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类

White-throated Pewee
Contopus albogularis
Small, inconspicuous, locally-distributed flycatcher. Both sexes are entirely dark gray with exception of prominent white throat patch. Inhabits rainforest, usually in areas with numerous rock outcrops, inselbergs, or bauxite plateaus. Found alone or in pairs, in canopy or just beneath it; sallies from perches to catch insects in mid-air, often returning to the same perch. Much darker than Tropical Pewee or Eastern/Western Wood-Pewee; range does not overlap with those of other dark pewees, all of which lack white in throat. Sharp, piping call notes are often overlooked, though they may be given for long periods throughout the day.

Esmeraldas Woodstar
Chaetocercus berlepschi
Tiny hummingbird endemic to western Ecuador. Male has a violet throat, a green “vest” on otherwise white underparts, white spots on either side of the rump, and a thin, forked tail. Female lacks throat patch and has a rusty tinge to underparts, a black stripe through her face, and a shorter tail. Inhabits deciduous and semi-humid forest, especially in hilly areas near the coast. Undertakes seasonal movements that are not well understood, and is occasionally seen farther inland.

Olive-streaked Flycatcher
Mionectes olivaceus
Small, fruit-eating flycatcher found in lower to middle levels of humid forest. Most common in the mountains, but occasionally seen in lowland areas. Yellow belly, large spot behind eye, and streaky neck are all good ID features. Often seen following mixed species flocks, plucking berries from fruiting trees. Song is an incredibly high-pitched siren-like whistle that requires good hearing to be able to detect. Formerly treated as a subspecies of Olive-striped Flycatcher; note Olive-streaked Flycatcher’s limited range in Costa Rica and far western Panama.
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