Alder Flycatcher vs American Dusky Flycatcher
Empidonax alnorum compared with Empidonax oberholseri
Side-by-Side Comparison
| Attribute | Alder Flycatcher | American Dusky Flycatcher |
|---|---|---|
| Scientific Name | Empidonax alnorum | Empidonax oberholseri |
| Order | Passeriformes | Passeriformes |
| Family | Tyrannidae | Tyrannidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 13.7 cm (5.4 in) | 13.3 cm (5.2 in) |
| Weight | 13.283333333333333 g (0.47 oz) | 11.4 g (0.40 oz) |
| Diet | -- | -- |
| Clutch Size | 3-4 | 2-4 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Alder Flycatcher
Least Concern
American Dusky Flycatcher
About These Birds
Alder Flycatcher
The Alder Flycatcher is a small North American flycatcher weighing about 13 g with a wingspan near 14 cm. It breeds in alder thickets and wet scrub across Canada and the northern United States, identified primarily by its distinctive fee-BEE-o song rather than its plain olive-grey plumage.
American Dusky Flycatcher
The American Dusky Flycatcher is a small empidonax weighing about 11 g with a 13.3 cm wingspan, breeding in shrubby mountain slopes of western North America. It captures insects on short aerial sallies and is best identified by its distinctive two-note call.