Climate change: why genetic diversity is vital for survival  [24.10.25]

(Photo: Reto-Burri)

A new study published in Science highlights how the exchange of genetic material between species can help them adapt more quickly to a changing climate. Led by 'Schweizerische Vogelwarte' with collaboration from Dr Niloofar Alaei Kakhki from the State Museum of Natural History Stuttgart, the research highlights how important genetic exchange between species can be.

By studying different species of wheatears, the team discovered that closely related birds were able to share genes influencing plumage colour, allowing them to adjust rapidly to new conditions. This exchange of genetic traits helped both the Eastern and Western black-eared wheatear develop adaptive colour patterns linked to their habitats and food sources.

“Genetic exchange between species is a crucial mechanism that enables animals to respond to climate change,” says Dr. Niloofar Alaei Kakhki. “Protecting genetic diversity both within and between species is therefore essential to ensure that nature can continue to adapt and survive in a rapidly changing world.”

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