Alder Flycatcher vs Ash-throated Flycatcher
Empidonax alnorum 对比 Myiarchus cinerascens
Side-by-Side Comparison
| 属性 | Alder Flycatcher | Ash-throated Flycatcher |
|---|---|---|
| 学名 | Empidonax alnorum | Myiarchus cinerascens |
| 目 | Passeriformes | Passeriformes |
| 科 | Tyrannidae | Tyrannidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 13.7 cm (5.4 in) | 19.2 cm (7.6 in) |
| 体重 | 13.283333333333333 g (0.47 oz) | 29.333333333333332 g (1.03 oz) |
| 食性 | -- | -- |
| 产卵数 | 3-4 | 2-7 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Alder Flycatcher
Least Concern
Ash-throated Flycatcher
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。
Ash-throated Flycatcher
The Ash-throated Flycatcher is a widespread North American tyrant flycatcher found in arid woodlands, deserts, and scrub from the western United States to Central America. Weighing about 29g with a wingspan of 19.2cm, it has a pale grey throat and yellowish belly. It nests in cavities and feeds on insects and berries.