Hesperiphona vespertina
The Evening Grosbeak (Hesperiphona vespertina) is a striking, large-billed finch renowned for its bold coloration and unpredictable irruptive movements. Males boast a brilliant mustard-yellow body, a dark head with a prominent yellow eyebrow patch, and contrasting black wings adorned with a large white secondary patch; females are a duller, mottled grayish-brown with touches of yellow and less conspicuous white wing patches, showcasing clear sexual dimorphism. Adults measure approximately 18-...
Primarily found in coniferous and mixed deciduous-coniferous forests, particularly spruce-fir and pine forests. Also utilizes suburban areas with mature trees and feeders, especially during winter and irruptive events, typically at moderate to high elevations.
Primarily granivorous, feeding on a wide variety of seeds, particularly those from maples, ashes, box elders, and various conifers. Also consumes insects, especially caterpillars, during the breeding season and for feeding young, and occasionally berries.
Evening Grosbeaks are highly social and diurnal, often observed foraging and moving in large, boisterous flocks, especially outside the breeding season. Their foraging strategy involves using their powerful, conical bills to crush hard seeds from conifers, maples, and other trees, occasionally gl...
The Evening Grosbeak's breeding range spans western North America from Alaska, across Canada, and into the western mountainous United States, extending eastward through the Great Lakes region and into the Appalachian Mountains of the eastern United States and Canada. During winter, these birds of...
Vulnerable
- The Evening Grosbeak's name is a bit of a misnomer; while they can be active in the late afternoon, they are not primarily crepuscular, and the name may have originated from observations during peak evening foraging. - Their formidable pale yellow bill is one of the strongest among North Americ...