| Group | Flycatchers |
| Code | ABPAE33070 |
| Order | Passeriformes |
| Family | Tyrannidae |
| Author | (Baird and Baird, 1843) |
| Rank | G5 (definitions) |
| Occurrence | LM (definitions) |
| Scale | S (definitions) |
| Western UP | all |
| Eastern UP | all |
| Northern LP | all |
| Southern LP | all |
Forested or Mixed Forested/Nonforested Landscapes
1st alternative:
(Any Upland Deciduous (Pole or Sm Saw or Lg Saw or Uneven))
containing:
Stand/Gap Openings
2nd alternative:
(Any Upland Deciduous (Pole or Sm Saw or Lg Saw or Uneven))
adjacent to:
Edge
view decision rule term definitions
| Habitats | Regen | Sap | Pole | Sm Saw | Lg Saw | Uneven |
| Aspen | no | no | YES | YES | YES | - |
| Paper Birch | no | no | YES | YES | YES | - |
| Oak | no | no | YES | YES | YES | YES |
| Assorted Hardwoods | no | no | YES | YES | YES | YES |
| Northern Hardwoods | no | no | YES | YES | YES | YES |
| Spruce/Fir | no | no | no | no | no | no |
| Hemlock | no | no | no | no | no | no |
| Jack Pine | no | no | no | no | no | no |
| Red Pine | no | no | no | no | no | no |
| White Pine | no | no | no | no | no | no |
| Conifer Plantations | no | no | no | no | no | - |
| Mixed Upland Hardwoods | no | no | no | no | no | no |
| Mixed Northern Hardwoods | no | no | no | no | no | no |
| Mixed Upland Conifer | no | no | no | no | no | no |
| Mixed Pine | no | no | no | no | no | no |
| Swamp Hardwoods | no | no | no | no | no | no |
| Balsam Poplar & Swamp Aspen & Swamp Birch | no | no | no | no | no | no |
| Bottomland Hardwoods | no | no | no | no | no | no |
| Tamarack | no | no | no | no | no | no |
| Northern White Cedar | no | no | no | no | no | no |
| Black Spruce | no | no | no | no | no | no |
| Mixed Lowland Hardwoods | no | no | no | no | no | no |
| Mixed Lowland Conifer | no | no | no | no | no | no |
| Non-Forested | none | |||||
| Special Features | Edges, Stand (Gap) Openings |
Habitat: The Least Flycatcher is found in open forests, orchards, and parks across the state. In northern Michigan, nesting occurs in both deciduous and mixed forests, and occasionally in stands of half-grown jack pine. Observations during the Atlas Habitat Survey suggest a preference for mesic deciduous forest followed by dry deciduous and dry mixed forest. Conifer forest was used little.
Unbroken stands of forest are not favored. Probably young (10 m high) aspen forest broken by roads and paths such as that studied by MacQueen in Cheboygan Co. Represent near-optimal habitat.
Habitat: Breeding: Deciduous forest edges, burns and clearings, open shrublands, orchards, well-planted residential areas, edges of country roads, overgrown pastures and open deciduous woodlands.
Special Habitat Requirements: Open deciduous forest, edge (shade for nest and open space for feeding), moderately vegetated woodlands (intermediate openness in understory).
Habitat: Open woods, aspen groves, orchards, shade trees. Breeds in deciduous or mixed woodlands, seldom in purely coniferous groves. Usually around clearings or edges, but sometimes in the interior of dry woods.
Diet: Mostly insects. Summer diet is mostly insects, including many small wasps, winged ants, beetles, caterpillars, midges, and flies, with smaller numbers of true bugs, grasshoppers, and others. Also eats spiders and occasionally a few berries.
Nest: Site is usually in deciduous sapling or small tree such as maple, birch, or ash, placed in a vertical fork in a branch. May be 2-65 feet above ground, but heights usually average 12-25 feet, varying with habitat. Nest is a tidy cup of grass, strips of bark, twigs, lichens, plant fibers, often bound together with webs of spiders or caterpillars; lined with fine grass, plant down, animal hair, feathers.