Which combination of features distinguishes the Cerulean Warbler?
Answer
Striking blue back paired with white undersides and a pale blue throat patch
The Cerulean Warbler is identified through a distinct combination of blue and white coloration and specific markings. The male displays a striking blue back which contrasts sharply with its white undersides. This visual combination is further refined by the presence of a pale blue throat patch, which aids in confirming identification. Additionally, this species possesses white wing bars, which, when viewed alongside the back and throat coloration, form the necessary cluster of reliable field marks. This reliance on sharp color contrast—blue against white—sets it apart from species dominated by yellow or black-and-white striping.
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