What consistent physical behavior is frequently noted when the Canada Warbler is perched or moving?
Answer
Frequent, jerky tail movement, often described as teetering
A distinguishing characteristic of this species is its constant tail-wagging or teetering motion, which is noted across various activities.

Related Questions
Which foraging technique involves darting from a stationary perch to intercept flying prey?What describes the typical territorial song delivered by the male Canada Warbler?Where is the Canada Warbler's nest typically situated relative to the ground?What consistent physical behavior is frequently noted when the Canada Warbler is perched or moving?What constitutes the primary food source for the Canada Warbler?What materials are primarily used for the fine interior lining of the nest?What is the defining characteristic of the Canada Warbler's breeding habitat?To which geographical regions do Canada Warblers travel for their wintering grounds?What potential function might the persistent tail movement serve while foraging in dense areas?Who shares the responsibility of provisioning the nestlings after hatching?