Name: Beautiful Science - Insects will go extinct.
Uploaded: 2025-06-19T18:09:44.000Z
Duration: 4 min 48 s
Description: Thousands of YouTube videos with English-Chinese subtitles! Now you can learn to understand native speakers, expand your vocabulary, and improve your pronunciation...

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Insects are the most abundant animals in the world, making up around 70% of all animal species, playing a vital role in the ecosystem of our planet.

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The first ever global scientific review on insects has revealed that over 40% of species are declining, and a third now are classed as endangered.

This 40% could become extinct within the next few decades, with scientists warning that insects could be totally wiped out within the next century.

We are now witnessing the sixth mass extinction in the Earth's history, with demises in biodiversity and ecosystems being reported on numerous fronts.

Insect numbers are currently falling eight times faster than mammals, birds, and reptiles. If this trend carries on, it could result in a total collapse of nature on Earth, and even the downfall of the human race.

Yes, if insects vanished, it would mean no more fleas or mosquito bites, even insect spread diseases like Zika, Dengue, and malaria would be gone.

But insects are the most plentiful animals in the world, with their total weight 17 times that of humans.

And a key functioning parts to the majority of food webs.

60% of birds rely solely on insects for food.

Deprived of insects, these birds would die out, and any animals that feed on these birds would be starved of a vital food source too, in turn, endangering them.

80% of the world's wild plants use insects for pollination.

This is not just bees, but also ants, butterflies, moths, beetles, and mosquitoes.

Without them, these plants and the vast amount of food produced from them that we eat would be gone.

Some insects are used to control other insects classed as pests.

They also keep soil healthy, recycling nutrients back into the earth at a rate unparalleled by nature alone.

Decay and rot would be rife without them.