The Pine Warbler is an aptly-named species, rarely seen away from its namesake trees, where it gleans rather sluggishly among the foliage and sings its dreamy-sounding song from the canopy.
The nominate race of this wood-warbler breeds and winters entirely within North America. (Two subspecies are resident in the Caribbean Islands.) Although other warbler species, including the Yellow-rumped Warbler and Common Yellowthroat, also winter in North America to some extent, none do so as completely as the Pine Warbler.
The Pine Warbler is able to remain in North America during the winter due to an interesting physiological adaptation. How does it handle the changing seasons?
Read on to find out more: https://abcbirds.org/bird/pine-warbler/
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