alexa Global trends show seabird populations dropped 70 percent since 1950s

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Global trends show seabird populations dropped 70 percent since 1950s

Seabirds are particularly good indicators of the health of marine ecosystems. When we see this magnitude of seabird decline, we can see there is something wrong with marine ecosystems. It gives us an idea of the overall impact we're having. The dramatic decline is caused by a variety of factors including overfishing of the fish seabirds rely on for food, birds getting tangled in fishing gear, plastic and oil pollution, introduction of non-native predators to seabird colonies, destruction and changes to seabird habitat, and environmental and ecological changes caused by climate change. Seabirds tend to travel the world's oceans foraging for food over their long lifetimes, and return to the same colonies to breed.

 
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