Alder Flycatcher vs Ashy-headed Tyrannulet
Empidonax alnorum 对比 Phyllomyias cinereiceps
Side-by-Side Comparison
| 属性 | Alder Flycatcher | Ashy-headed Tyrannulet |
|---|---|---|
| 学名 | Empidonax alnorum | Phyllomyias cinereiceps |
| 目 | Passeriformes | Passeriformes |
| 科 | Tyrannidae | Tyrannidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 13.7 cm (5.4 in) | 12.6 cm (5.0 in) |
| 体重 | 13.283333333333333 g (0.47 oz) | 9.75 g (0.34 oz) |
| 食性 | -- | -- |
| 产卵数 | 3-4 | -- |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Alder Flycatcher
Least Concern
Ashy-headed Tyrannulet
About These Birds
Alder Flycatcher
桤树霸鹟,体重约13克。繁殖于加拿大和美国北部的赤杨灌丛。以'fee-BEE-o'鸣声辨识。
Ashy-headed Tyrannulet
The Ashy-headed Tyrannulet is a small flycatcher found in humid montane forests on the Andean slopes of Colombia and Ecuador. Weighing about 9.75g with a wingspan near 12.6cm, it has a grey head and olive-green upperparts. It forages in the forest canopy, catching small insects in flight or gleaning from foliage.