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Ecology Jul 26, 2026

DNA vacuum captures animal traces from air to map Danish wildlife

Researchers have developed a DNA vacuum that can suck genetic traces from animals out of the air and reveal which animals live in an area. In two new studies, the researchers collected air samples in three natural areas in ...

Ecology Jul 24, 2026

How did inbred brown tree snakes take over the island of Guam?

If you look up invasive species in a textbook, there's a good chance you'll find a picture of a brown tree snake. Native to Australia and the South Pacific, the brown tree snake arrived on Guam sometime after World War II, ...

Plants & Animals Jul 24, 2026

Why and how birdsong differs across the world—and the eight motifs that tie them together

Birdsong carries meaning across open space, helping birds attract mates, defend territory and communicate with rivals. While there has been much research into the use of birdsong across species, researchers have lacked a ...

Ecology Jul 24, 2026

Colorado prepares for screwworms, as the pest that was eradicated in 1966 returns to the US

New World screwworm, a concerning pest that mainly affects livestock and wildlife, was detected in South Texas in June 2026. It has since expanded northward in Texas, and there was one case in New Mexico as of July 23, 2026.

Ecology Jul 24, 2026

Why you should think twice before rescuing a wild animal

Imagine you're driving down a winding road when you spot an injured possum. Your instincts might tell you to hit the brakes, check what's wrong and bundle it into your car. Research shows many of us want to help wild animals ...

Plants & Animals Jul 24, 2026

Plumage reflectance framework offers new insight into how birds evolved heat-controlling feathers

Birds can inhabit various environments with different climates and temperatures, ranging from cold polar regions to scorching hot deserts. To survive and thrive in these very different environments, they need to effectively ...

Evolution Jul 24, 2026

Differences in human and great ape laughter reveal clues to the origin of speech

Humans are not the only animals that communicate. Birds sing to attract mates, dolphins use signature whistles that identify individuals, and many primates produce complex vocalizations that help them coordinate their social ...

Earth Sciences Jul 24, 2026

Small tropical islands face dangerous humid heat by end of the century

Millions of people living on tropical islands could face a future of increasingly dangerous heat as climate change drives longer and more intense periods of humid conditions. While rising temperatures are often discussed ...

Plants & Animals Jul 23, 2026

The sex life of treefrogs: How females build better nests by mating with multiple partners

African gray foam-nest treefrogs (Chiromantis xerampelina) are common across the savannas and dry forests of southeastern Africa. Despite their unremarkable outward appearance, these small animals display some of the most ...

Evolution Jul 23, 2026

Human impacts rewrite the rules of island biodiversity around the globe

A new study reveals that human activities have fundamentally reshaped biodiversity patterns on islands across the globe, with important implications for how scientists understand ecology, evolution and conservation.

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