Erratic Weather Drew Migrant Wildlife to UK but Harmed Some Native Species – National Trust

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Erratic Weather Drew Migrant Wildlife to UK but Harmed Some Native Species – National Trust

Toads, water voles and seabirds were among the resident British species that suffered losses due to the warming weather, the charity said in its environmental review of 2019.

Changeable weather in Britain has produced mixed results for migrant and native fauna.

An audit by the National Trust has found that warm spells of weather in the first half of the year attracted migrant species of butterflies, moths and dragonflies to British soil. For instance, the Vanessa cardui, an orange-and-black butterfly, also known as the painted lady, arrived en masse for the first time since 2008.

The Catocala fraxini, a rare moth that went extinct in the UK in the ‘60s, also appeared in southern parts of the country, in the highest numbers for 25 years.

“Sightings of migrant insects and birds are becoming more common,” said Ben McCarthy, the head of nature conservation and restoration ecology at the trust. He attributed those arrivals to the warming climate.

“More mobile species might be able to escape unfavourable conditions, but they’d have to find similar conditions elsewhere. The biggest threat is to less mobile species and those that are specialists.”

Although many resident species did well this year, some have had a tough time due to drought and wildfires.

Fires on Marsden Moor over the Easter destroyed around 700 hectares of habitats, including those of mountain hares and some rare ground-nesting birds.

The drought has also resulted in losses for natterjack toad spawn and tadpoles, while water voles in the Yorkshire Dales and some seabirds on the Farne Islands suffered from heavy rainfall in June.

Sourse: sputniknews.com

Erratic Weather Drew Migrant Wildlife to UK but Harmed Some Native Species – National Trust

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