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Life & Evolution

Topic Image Rail

rock pigeon

Pigeons weigh danger, stability and efficiency in the aerial acrobatics they use to avoid obstacles, study shows.

El Yunque National Forest, Puerto Rico

More than half of Earth’s land surface has seen major changes in plant growth patterns such as leaf-on date and how much vegetation grows in a season.

green hermit hummingbird

DESIRABLE DINER  A green hermit hummingbird has a long bill that can sip more nectar than other birds from the tropical plant Heliconia tortuosa, triggering the plant to start reproducing.

Life & Evolution

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