The MacGillivray's Warbler exhibits distinct seasonal behavior, migrating between breeding and wintering grounds. During spring and summer, it favors dense shrubs and forest edges for nesting. In fall, it migrates south to warmer regions, returning north in spring. Its vocal activity peaks in the breeding season, aiding in territory defense and mate attraction. To know more visit here https://wildbirdguide.com/chasing-rare-birds/skulker-macgillivrays-warbler/