The factors responsible for the decline of the Canada Warbler have not been identified. The Canada Warbler feeds mainly on flying insects, such as mosquitoes and butterflies and moths, and spiders in the shrub layer. The Canada warbler (Cardellina canadensis) is a small boreal songbird of the New World warbler family (Parulidae). Habitat use and foraging behavior of four parulid warblers in a second-growth forest. In fall, the Arctic Warbler crosses the Bering Strait and migrates south in Asia. It summers in Canada and northeastern United States and winters in northern South America. Forages in shrubs and lower tree branches of both coniferous and deciduous trees, and occasionally on the ground; most frequently hops along branches, but will catch insects on the wing. In spring, this warbler migrates almost 3,000 miles from the West Indies to the coniferous forests of Canada and the northern US to breed. These warblers also feed on berries, and visit bird feeders for suet and sometimes seeds. 1970, and the trend may be accelerating. Like the Cape May Warbler, the Townsend's Warbler switches to a nectar-rich diet on its wintering grounds, particularly favoring “honeydew,” a sugary substance produced by scale insects.Individuals will fiercely defend territories around trees infested with these insects. Canada warbler Male Conservation status. This is primarily due to the loss of appropriate habitat. Magnolia Warbler - The species most likely to be confused with a Canada Warbler, Magnolia Warblers share the characteristics of gray upperparts, yellow underparts, and a black "necklace" with streaks on the upper chest. Within a day or so, the warbler we were watching would be gone. When the bird hops into view among the branches, it is less distinctive, plain olive and whitish with a pale eyebrow. Nearly extinct just 50 years ago, it is well on its way to recovery. Along willow-lined streams in Alaska in summer, the song of the Arctic Warbler is unmistakable: a slow trill, with an insistent or hammering sound. Programs & Events Calendar of Events Guided Walks Camps Sense of Place Reading Group Community Programming Wildflower Walkabouts Lectures; Schools & Groups School Field Trip Info In-Classroom Programs Scout Programs Homeschool Programs Virtual Field Trips; Explore Stay Safe Outdoors During COVID-19 Nature Education at Home The Grove Nature Playscape … Canada Warbler: Diet consists primarily of flying insects, including mosquitoes, flies, moths, and beetles; also eats small, hairless caterpillars and spiders. Top. It is an uncommon migrant across the state, but a common breeder in the highest mountains of East Tennessee. Golden-winged Warbler population declines are due to competition and hybridization with a close relative, the Blue-winged Warbler (Vermivora cyanoptera) and loss of young forest habitats. The massive die-off of insects throughout the Western Hemisphere and global climate change may also figure in the decline. Moves faster while foraging (0.40 and 0.33 hops and flights/s for males and females, respectively) than sympatric Mourning Warbler and Chestnut-sided Warbler (102 Sodhi, N. S., and C. A. Paszkowski (1995). Kirtland's warbler (Setophaga kirtlandii), which is recorded to have been known by local folk in Michigan by the common name jack pine bird, and is also known as the jack pine warbler, is a small songbird of the New World warbler family (), named after Jared Potter Kirtland, an Ohio doctor and amateur naturalist. Threats. As the fist-sized songbird flies north, its diet … The breeding range of the Canada Warbler stretches across boreal Canada to the northeastern United States, and south along the Appalachian Mountains to Tennessee and north … Least Concern … The Canada Warbler is an easy warbler to identify with its bold black "necklace" on a breast of bright yellow. As such, management for Golden-winged Warbler breeding habitat in areas devoid of Blue-winged Warblers is a conservation priority. Canada Warbler: Diet consists primarily of flying insects, including mosquitoes, flies, moths, and beetles; also eats small, hairless caterpillars and spiders. Act. Severson Dells Nature Center. Canada warbler numbers are down 60 percent since. Forages in shrubs and lower tree branches of both coniferous and deciduous trees, and occasionally on the ground; most frequently hops along branches, but will catch insects on the wing.