Biology

Animal sounds apparently have a common origin

Not only birds and mammals, but also reptiles or amphibians exchange sounds. Acoustic communication probably originated more than 400 million years ago.

How can flying insects distinguish at the top and bottom?

Flying insects can determine the direction of gravity, although they do not have accelerometers. A team has developed a theory that could explain this.

Moon fish breaks world record

Sunfish are quite bizarre sea creatures. Now a special specimen has been washed up on a beach – with impressive weight.

Animal populations have shrunk massively

Over the past 50 years, vertebrate populations around the world have drastically decreased. By an average of 69 percent. This could fuel the consequences of climate change.

Amphibian populations in Switzerland are recovering thanks to new ponds

It is worth implementing conservation measures. A Swiss research team shows that it can benefit endangered amphibians by creating new ponds for them.

Climate crisis drives tree-dwelling primates to the ground

The ancestors of humans once moved one floor below, from the tree to the ground. Now it gets too hot up there for other primates – but not all of them can cope with the adaptation.

Seabirds flee into the eye of the storm

Albatrosses, shearwaters and co are masters of the skies. They even fly specifically into the middle of hurricanes, where they are looking for more safety.

First shot of killer whale hunting for Great White sharks

The sword whales are at the top of the food chain. Even white sharks have to fear. This is also shown by recordings from a helicopter and drones for the first time.

Sars-Cov-2 intervenes in epigenetics

The pandemic coronavirus disrupts a chemical change in DNA structural proteins. As a result, the DNA curls up tighter and genes are no longer read.

The return of the wooden scrap

Nobody had observed the insect for decades. But under the first stone that a biologist picked up on his island visit, the mythical animal was found.

Toxic algae the most "plausible" cause of fish death in the Oder

An interaction of various causes led to the disaster on the Oder. In the end, algae triggers mass extinction, experts write in their final report.

Climate change opens up new niches for the Lassavirus

The lassavirus needs very specific environmental conditions for its spread. Thanks to climate change, they will probably get it in more places soon. But there is also good news.

Century storm threatens special ponies

The vertebral storm »Fiona« is on the way to the north and meets the Canadian coast with record -breaking values. On his way is an island with its own horse breed.

Mice eat island empty

Southeast Farallon Island is small, but home to thousands of mice. And the rodents are very hungry all year round - to the detriment of pristine nature.

Again puzzling mass beaching of whales in Tasmania

Numerous whales are stranded on the west coast of Tasmania. Exactly two years ago, a similar drama took place there. What attracts marine mammals near the coast?

A new old home for the world's fastest big cat

The cheetah returns to India - 70 years after the person has eradicated him there. It starts with eight big cats from Namibia. But the relocation is controversial.

The more colorful, the more endangered

Tropical birds are usually much more colorful than species at higher latitudes. This arouses desires in the trade and endangers the animals.

Why legal texts are so complicated and ducks shaft riding

The Ig Nobel Prizes were awarded for the 32nd time. Among the award-winning works are synchronized hearts, moose tests and clogged scorpions.

Grazing animals in action against fire

Cattle, goats, horses and other herbivores can significantly reduce the risk of forest fires. However, this potential is not really recognized by the EU.

Butterflies disappeared in two waves

A study from Austria shows that some species began to disappear around 1900. The second wave started around 1960 - and has not ended to date. Above all, the destruction of habitats is responsible.

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