Biology

City foxes are different

A fox in the city. (Image: Dgwildlife / iStock) Red foxes have long adapted to life in our big cities. Compared to their rural counterparts,...

The Spix’s Macaw returns

A group of young Spix's Macaw parrots in the breeding station. (Image: ACTP e.V.) The Spix's Macaws (Cyanopsitta spixii) are now extinct in the wild....

»Agriculture is always an intervention«

A honeybee pollinating a rape plant. They and their wild relatives are threatened by the use of pesticides. (Photo: Bayer AG) Neonicotinoids are suspected to...

Keas understand probabilities

A kea gives a researcher a trade item. (Image: Amalia Bastos) Which decision has more chance of success? If we do not know something for...

Stink secret of the durian fruit revealed

If you don't let the stench deter you, you can enjoy a delicacy. (Image: trumzz / iStock) Many people know her from a vacation in...

Billions in losses from illegal fishing

Legally caught or not? (Image: Giang Nguyen / istock) Illegal fishing is one of the greatest threats to marine ecosystems. Because the unauthorized and unregulated...

Amphibians: hidden glow revealed

A mountain newt in daylight (top) and fluorescent in blue light (bottom). (Image: Scientific Reports, doi: 10.1038 / s41598-020-59528-9, license: CC-by-sa 4.0 ) Some...

Do solar storms make whales disoriented?

Why do gray whales and other marine mammals keep stranding? (Image: rainngirl / istock) Injuries, illnesses, loud noises: there are many reasons why whales are...

CO2 footprint: when it comes to shopping, how is important

Shopping carbon footprint. (Photo: fotogesteober / iStock) Online shopping is convenient and trendy. But what about the greenhouse gas balance of shopping over the Internet...

Social learning between bird species

Blue tit and great tit often have the opportunity to observe each other in their habitat. (Image: CathyDoi / iStock) This food tastes disgusting! This...

Bumblebees understand complexly

A bumblebee trying in the dark if they can only feel shapes but can't see them. (Photo: Lars Chittka) A round structure, no corners and edges...

Zoo animals: camera instead of anesthetic arrow

Tiger in the zoo (Image: Antagain / iStock) So far, zoo or wild animals have mostly had to be captured and anesthetized for medical examination....

Squid eat with foresight

There are also representatives of the clever squid in the North Sea. (Image: Pauline Billard) Amazing: humans and squid adapt their eating habits to future...

Pineapple family in danger

Like many species of the bromeliad family, Guzmania sanguinea is threatened with extinction. (Image: Daniel Caceres) We mainly know them as food and ornamental plants....

Climate change displaces bumblebees

Bumblebees are important pollinators. (Image: Jeremy Kerr) Bumblebees are not just welcome visitors to our gardens. As efficient pollinators, they also play an important role...

Do elephants mourn their dead?

Elephant mother with child (Image: 101slides / iStock) It is said time and again that elephants mourn the death of their deceased fellows. But is...

Invasion of the predatory flatworms

A predatory worm has already spread widely in France. (Image: Pierre Gros) "Aliens" with an appetite for earthworms and the like: Flatworms that have been...

Jellyfish: Attention, slime grenades!

Cassiopea jellyfish secrete poisonous mucus. (Image: National Aquarium) Just don't touch: that's the motto when you encounter a poisonous jellyfish in the water. But this...

A new fragrance for the queen bee

Furrow Bee (Lasioglossum malachurum) (Image: Andreas Haselböck) With honeybees, the queen uses a special fragrance to ensure that her workers remain sterile and serve her....

Green hope for world food

Pea and Co have potential for world food. (Image: hidesy / iStock) The need for food is growing enormously - how can the growing earth...

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