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Yesterday β€” 31 May 2024Main stream
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Migratory freshwater fish populations β€˜down by more than 80% since 1970’

21 May 2024 at 00:00

β€˜Catastrophic’ global decline due to dams, mining, diverting water and pollution threatens humans and ecosystems, study warns

Migratory fish populations have crashed by more than 80% since 1970, new findings show.

Populations are declining in all regions of the world, but it is happening fastest in South America and the Caribbean, where abundance of these species has dropped by 91% over the past 50 years.

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Β© Photograph: O Humphreys/PA

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Β© Photograph: O Humphreys/PA

Eagles shifting flight paths to avoid Ukraine conflict, scientists find

Vulnerable birds deviating from migratory routes by up to 155 miles, which could affect breeding

Eagles that have migratory routes through Ukraine have shifted their flight paths to avoid areas affected by the conflict, researchers have found.

GPS data has revealed that greater spotted eagles not only made large detours after the invasion began, but also curtailed pitstops to rest and refuel, or avoided making them altogether.

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Β© Photograph: AGAMI Photo Agency/Alamy

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Β© Photograph: AGAMI Photo Agency/Alamy

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