Santa Fe Institute

Monk parakeets invade Mexico

Thanks to the international pet trade, populations of exotic animals are popping up in unexpected places worldwide. One of these successful invaders is the monk parakeet: a small, green parrot native to South America that ...

dateSep 19, 2017 in Ecology
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Birds choose mates with ornamental traits

A recurring theme in nature documentaries is that of choosy females selecting brightly colored males. A new study shows that, in monogamous mating systems, male birds may select their lifelong mates in much the same way.

dateSep 04, 2017 in Evolution
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A new tool for multilayer networks

Sophisticated network analysis means finding relationships that often aren't easy to see. A network may have many layers—corresponding to different types of relationships in a social network, for example—but traditional ...

dateAug 11, 2017 in General Physics
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Light limitation as a factor in ecological conditions

There's a 50-hectare forested plot in Panama where researchers with the Smithsonian Institution have gathered highly detailed information about the species, distribution, and size of trees there. In a 2016 study, researchers ...

dateJul 27, 2017 in Ecology
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Does greed help a forager survive?

In a world of sometimes scarce resources, greed, the trait that encourages resource accumulation, would seem to be an evolutionary advantage. But, new research reveals that while greed may appear to be a good strategy, it ...

dateJul 12, 2017 in Plants & Animals
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