Amna Nawaz
@PBSNewsHour·5.3M subscribers·62.2K videos
The subtle but profound climate effects on birds
Posted
August 1, 2026
Views
736
Likes
62
Engagement
8.42%
August 1, 2026
736
62
8.42%
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1:23Now PlayingWhile climate change "absolutely" plays a role in the decline of bird populations, scientists are still working to understand how drought and sea level rise are actually impacting them, ornithologist Peter Marra says.
Drought and sea level rise are having "subtle, but really profound effects" on birds, he told Horizons host William Brangham.
Birds are an important part of life on Earth by helping to grow food, keeping pests at bay and spreading seeds across the globe. But a new study in the science journal Nature indicates that more than half of all migratory bird species are in decline.
Horizons from PBS News, dives into the science, health, technology and environmental issues making headlines each week. Visit the PBS News website to watch this week's episode.
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