Bird feathers are a natural engineering marvel that provides insulation from the heat and cold, displays for courtship, and lift and drag for flight. Get up close with feathers in this week's Discover Nature Note.
When might some birds need a designated flyer? When their food is overripe. Favored fruits can become fermented. For birds and insects consuming rotten fruit or overripe nectar, this temporary impairment can leave them vulnerable to injury and predators. Learn more about this natural phenomena in this week's Discover Nature Note.