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Handsome aerialists with deep-blue iridescent backs and clean white fronts, Tree Swallows(Tachycineta bicolor) are a familiar sight in summer fields and wetlands across northern North America. They chase after flying insects with acrobatic twists and turns, their steely blue-green feathers flashing in the sunlight.
Handsome aerialists with deep-blue iridescent backs and clean white fronts, Tree Swallows(Tachycineta bicolor) are a familiar sight in summer fields and wetlands across northern North America. They chase after flying insects with acrobatic twists and turns, their steely blue-green feathers flashing in the sunlight.
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Song and Perching Birds
Keywords:
  • House-martin
  • Male
  • Spring
  • Tower Falls
  • Yellowstone NP