[ad_1] It is estimated that insectivorous birds in the world have a total weight of about three million tons. They consume up to 500 million tons of insects and other arthropods such …
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Stress for birds and wildlife due to drones – appenzell24.ch
[ad_1] Alpstein | Wed. 04.07.18 21:19 pd More and more often and for many reasons, drones are used. They are also invading areas that have been little or not affected by the …
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[ad_1] External Content The following content is provided by external partners. We can not guarantee that this content will be accessible. All news in brief This entry was posted on July 4, …
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