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Animal world

Humans curb movements of wild animals

But researchers do not think this is necessarily catastrophic. It even makes life easier for a few species.

How to capture a jaguar

Before a tracking collar can be placed on a jaguar it has to be caught. Here is how it’s done.

The spread of toxic mercury contamination is affecting the Arctic

The transport of environmental contaminants to the Arctic via water and air is a threat to nature. In the Arctic, methylmercury moves more effectively through the food chain than in more southerly waters.

Researchers: facts alone are not enough in the debate about wolves

People's experience of predators must also be taken into account.

The bear knows no borders

In the north of Norway, Finland and Russia, researchers follow the movements of the bear across the three countries. Now, these investigations may result in trans-border management in other regions.

Searching for answers to a century-old biological question

With the help of 58,046 fruit flies, scientists in Florida and Norway have shed light on a question that biologists have puzzled over for the last 100 years.

Icelandic horses carry heavy burdens

Icelandic horses have high heart rates and lactic acid concentrations during competitions and tests, Swedish study shows. “This is an indication of insufficient basic exercising of the horses,”says a Norwegian expert.

The riddle of rodents

Last year so many rodents roamed Norwegian forests that residences were overrun, from mountain cabin attics to house basements. This summer in southern Norway, rodent numbers have plummeted to roughly one-hundredth of what they were just a year ago.

Rodent population swings remain a mystery

They’re small and almost unnoticeable, until their population explodes. Now recent swings in Norway’s small rodent populations have underscored the importance of these creatures for the health of the entire natural community.

Marius the giraffe: He died so that others could live

The Copenhagen Zoo sparked public outrage when they put to death the healthy 18-month-old giraffe Marius. Here is why they killed him.