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least flycatcher identification

The Least Flycatcher is a small, drab flycatcher that reaches near the southern limit of its breeding range in the highlands of northeastern Tennessee. Studies have shown that Least Flycatchers typically spend about 64 days on the breeding grounds, and 58 days are needed to complete a nesting cycle. Rowland (2009) describes the Least Flycatcher as a short-winged and long-tailed Empidonax. A few key features separate this bird from the similar Alder Flycatcher. Compared to an Alder Flycatcher, the Least has a more conspicuous eye ring and a shorter primary projection (Alderfer & Dunn, 2014). Rosche (1982) observed one in Dawes Co 5-10 Jul 1973 (Williams 1973) and suspected as early as 1982 (Rosche 1982) that this might be a breeding species in the northwest, as did Ducey (1988). Rosche (1994b) indicated that Least Flycatcher nests “in the tall cottonwoods” at Smith Lake WMA, Sheridan Co; one was there 19 Jun 2017. 1. They are larger than a kinglet, of course, but equal or smaller than a junco, depending upon species. Willow Flycatcher - As with the Alder Flycatcher, the primary visual difference with a Least Flycatcher is that Willow Flycatchers have a narrower white eye-ring. "The species is most numerous below 2,500 feet, and rare and Local as high as 3,500 feet. Least Flycatcher Moucherolle tchébec Empidonax minimus Information, images and range maps on over 1,000 birds of North America, including sub-species, vagrants, introduced birds and possibilities Juvenile Least As with other members of this genus, it is best identified by song, a harsh two-noted che-bek.. Predictor Importance for Least Flycatcher (Empidonax minimus) Relative to All Species. ), peaking from late August until the end of the first week of September (Hussell, 1981). Least Flycatcher territories are … Audubon's climate model projects a 60 percent loss of current summer range. Winter: Dickey and van Rossem (1938) say that the least flycatcher is "common in fall, winter, and spring throughout the Arid Lower Tropical Zone" in El Salvador, between September 3 and April 22. Breeding Habitat. Juveniles peak a month later (amazing, eh? Once you have identified your mystery bird as some type of tyrant flycatcher--the world's most numerous family of birds with over 400 species--your work really begins! The Least Flycatcher occurs in a wide variety of forest types, including upland and lowland deciduous forests, mixed deciduous-coniferous upland forests, mixed lowland swamp conifers, and patches of forest in open agricultural and prairie groves (Bond 1957; Tarof and Briskie 2008).Forested habitats with open understories are especially important (Breckinridge 1956). A 13-cm-long bird with a relatively large head, gray (sometimes olive-tinged) dorsum (browner in juveniles), bold white eye ring, two white wing bars (buffy in juveniles), whitish throat, gray-washed breast, yellowish belly and undertail coverts (whitish in juveniles), and a short, flattened triangular bill (lower mandible mostly pale). Empids are tiny flycatchers. The Least Flycatcher is a small and widespread member of the group of hard to identify flycatchers in the genus Empidonax. They are known to attack Brown-headed Cowbirds, and the low rate of cowbird parasitization of their nests seems to indicate that their defense is effective. Diminutive and obscurely marked, the Least Flycatcher sits quietly in the leafy foliage of northern hardwood forests across the northern U.S. and southern Canada. On breeding territories Least Flycatchers are aggressive to intruders, both their own and other species. Least Flycatcher ID Ratty-looking adult Least Flycatchers are on the move south as early as the third week of July, entirely petering out by late August. Both Least and Willow Flycatchers breed in South Dakota, and a clue for identification is habitat. Boxplots provide a quick visual of the distribution of the variable importance from the random forest models from all 147 species (black boxplot) and how each species fits into the overall distribution (cyan line). This structure may be appreciated in Fig. Unlike other Empidonax flycatchers, it is more likely to sing during migration and has been reported across Tennessee in the spring. Been reported across Tennessee in the spring with other members of this genus, it is more to! Juvenile Least a few key features separate this bird from the similar Alder Flycatcher 60 percent of... The first week of September ( Hussell, 1981 ) unlike other Empidonax flycatchers, it is more to... 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