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Red squirrels show resilience to climate change but still need habitat protection

New study confirms red squirrels are resilient to climate change in Europe but underlines need to conserve their habitat
Red Squirrel foraging on the ground. Credit: Bournemouth University

A new study by scientists at Bournemouth University (BU) in collaboration with the has confirmed that red squirrel populations across Europe are resilient to the effects of climate change.

The study is in the journal microPublication Biology.

Red squirrels' diet is mainly made up of tree seeds, supplemented with insects, fungi and birds' eggs. They live in coniferous forests and deciduous wood across Europe from Spain, Italy, northern Greece, the UK, Scandinavia and into parts of western Russia. Their broad distribution means they can live in a range of climates.

Alyson Buchanan, and ecological researcher at BU, used to help assess the ability of the species to survive when faced with different climate change predictions. The study investigated how well the population coped with temperature changes and low rainfall.

It revealed that temperature changes and lack of rainfall do not have a direct influence on the survivability of red squirrels. It supports their natural ability to adapt to a range of climatic conditions where might be limited and confirms that the species should be resilient to changes in these conditions.

This is good news for the scientists at BU who have spent the last year modeling the effects of climate on populations across Europe and the UK.

  • New study confirms red squirrels are resilient to climate change in Europe but underlines need to conserve their habitat
    Red Squirrel eating on the ground. Credit: Bournemouth University
  • New study confirms red squirrels are resilient to climate change in Europe but underlines need to conserve their habitat
    Red Squirrel eating on the ground. Credit: Bournemouth University

Alyson said, "We can see that red squirrel populations are not directly affected by current climate patterns in the models. Other factors such as habitat, , disease and competing species appear to matter more and underline the need to maintain positive conservation efforts for this well-loved species.

"In the south of the UK, the Isle of Wight is an especially important haven for the species, as isolation from the mainland protects red squirrels from gray squirrels which were introduced from the United States and have replaced the in much of the UK."

More information: Alyson E. V. Buchanan et al, Climate Change Does Not Directly Influence Red Squirrel (Sciurus vulgaris) Distribution in Western Europe, microPublication Biology (2025).

Citation: Red squirrels show resilience to climate change but still need habitat protection (2025, September 3) retrieved 7 September 2025 from /news/2025-09-red-squirrels-resilience-climate-habitat.html
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