Black-Throated Green Warbler
探検鳥類
Black-Throated Green Warbler
setophaga virens
The Black-throated Green Warbler is a small, energetic songbird known for its buzzing, persistent song that heralds the arrival of spring in the coniferous and mixed forests of eastern North America. Admired by birdwatchers for its vibrant plumage and relentless activity, this warbler spends most of its time high in the forest canopy, actively foraging for insects. During the breeding season, its classic song can be heard echoing through the pines, making it a beloved symbol of northern woodlands.
生息地: Found in mature coniferous and mixed forests, particularly those dominated by hemlock, spruce, or pine.
外見
Adults have an olive-green back, a bright yellow face, and a distinctive black throat and upper breast that contrasts sharply with their white underparts and greenish-yellow flanks. They feature two bold white wingbars on their dark wings. Females and immatures have a similar pattern but with a much paler, speckled, or entirely yellow throat instead of solid black.
界Animalia門Chordata綱Aves目Passeriformes科Parulidae属Setophaga
カテゴリ
鳥類レア度
Common
危険度
1/5 · 非常に低い
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おもしろい事実
Despite their small size, they migrate thousands of miles each year between their North American breeding grounds and Central American wintering sites.
During migration, some individuals stray far off course, occasionally turning up as rare vagrants in western Europe.
Males have two distinct songs: one used primarily to attract females, and another used to defend nesting territory against other males.
特殊能力
能力
Hover-Gleaning
They can hover momentarily in mid-air to pluck insects off the undersides of leaves and needles.
能力
Persistent Singer
Males are famous for singing up to 400 times an hour during the peak of the breeding season to defend territories.
能力
Canopy Navigation
With lightweight bodies and sharp claws, they effortlessly hop and cling to the thin, outermost twigs of high tree canopies.
サイズと詳細
- 長さ
- 11-13 cm
- 翼開長
- 17-20 cm
- 体重
- 0.007-0.011 kg
- 寿命
- 1-7 年
- Top Speed
- 40 km/h
- 一度の産卵数
- 3-5
- 抱卵期間
- 12-13 日
- 渡りの距離
- 3000 km
食性と食事
Feeds primarily on insects and other small invertebrates gleaned from tree foliage, occasionally eating berries.
年齢による違い: Nestlings are fed exclusively high-protein insects and larvae, while adults may occasionally eat berries during migration.
主な食物
- Caterpillars
- Spiders
- Beetles
- Flies
- Berries
採餌方法
- Foraging
生態系とのつながり
competitor
Blue-headed Vireo
Vireo solitarius
Competes for nesting sites and insect resources in the upper canopy.
eaten by
Eastern Screech-Owl
Megascops asio
Preys upon small songbirds including warblers during the nesting season.
hunts
Spruce Budworm
Choristoneura fumiferana
Serves as a major food source, especially during seasonal outbreaks.
特徴
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安全性
危険度
1/5 · 非常に低い
まだ特別な安全上の注意はありません。
よくある質問
Black-Throated Green Warblerを見分けるには？
Black-Throated Green Warblerを識別する最も簡単な方法は、Snappit自然識別アプリを使用することです。
Black-Throated Green Warblerの長さは何ですか？
11-13 cm
Black-Throated Green Warblerの翼開長は何ですか？
17-20 cm
Black-Throated Green Warblerの体重は何ですか？
0.007-0.011 kg
Black-Throated Green Warblerの寿命は何ですか？
1-7 年
Black-Throated Green Warblerのtop Speedは何ですか？
40 km/h
Black-Throated Green Warblerは何を食べますか？
Feeds primarily on insects and other small invertebrates gleaned from tree foliage, occasionally eating berries.
Black-Throated Green Warblerは通常どこに生息していますか？
Found in mature coniferous and mixed forests, particularly those dominated by hemlock, spruce, or pine.
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