Sometimes there is just a touch of red. Sometimes the entire bird is mostly red. Sometimes the red color is more orange, sometimes it is pinker. ・House Finch ・Purple Finch ・Cassin's Finch ・Red ...

However, fully capturing animal color is challenging because researchers must choose between high spatial resolution (as in traditional photography ... visible to birds (typically 300 to 700 ...

telling the story of how some resilient feathered dinos persevered and transformed into the vast array of colorful bird species that fill our skies today. (Premiering February 5, 2025 at 9 pm on PBS) ...