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).
Otherwise, Warbling Vireos are fairly plain birds with gray-olive upperparts and white underparts washed with faint yellow. Eyes are dark brown, have thick, white eyebrows and faint, dark eye-lines. Eyebrow is slightly paler than rest of head and underparts lack patterning. North American Breeding Distribution and Relative Abundance: The breeding distribution of the Warbling Vireo ranges from southeastern Alaska, south across the southern regions of the Canadian Prairie Provinces and across much of the northern and central regions of the United States. It’s a great bird to learn by ear, because its fast, rollicking song is its most distinctive feature. Geographic Range.
West of the Great Plains, the range extends south through the higher elevations of the western United States and Mexico to the Isthmus of Tehuantepec. The rich song of the Warbling Vireo is a common sound in many parts of central and northern North America during summer. Because it avoids solid tracts of mature, unbroken forest, it is probably more common and widespread today than it was when the Pilgrims landed. Legs and feet are blue-gray. Has the largest breeding range of any North American vireo. Gray wings and tail. Monotonous warbling song is heard from treetops, particularly in riparian areas and cottonwoods throughout the summer. Predictor Importance for Warbling Vireo (Vireo gilvus) Relative to All Species. The breeding range reaches north to include the southwest Canadian provinces of British Columbia, Alberta, Saskatchewan, and the southwest corner of Manitoba.
Elsewhere in North America Warbling Vireo breeds from southeast Alaska across Canada to Newfoundland, then south through the Appalachian Mountains and the Mississippi River drainage. Rather plain, but with a cheery warbled song, the Warbling Vireo is a common summer bird in leafy groves and open woods from coast to coast. Vireo gilvus, or warbling vireos, inhabit the Nearctic and Neotropical regions.This species breeds across nearly the entire United States, excluding the southeast region. Winters in Central America. The rich song of the Warbling Vireo is a common sound in many parts of central and northern North America during summer. The Warbling Vireo was a common species during the Minnesota Breeding Bird Atlas. Warbling Vireo: Small vireo, gray to olive-gray upperparts, white underparts; sides sometimes washed with yellow.
It’s a great bird to learn by ear, because its fast, rollicking song is its most distinctive feature. Drab gray bird lacks any distinctive features. Otherwise, Warbling Vireos are fairly plain birds with gray-olive upperparts and white underparts washed with faint yellow.