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Animals

Humans alone killed off the giant moa bird

New research reveals that the moa population were fit and healthy before humans started hunting the bird. In spite of this, it took less than 200 years before the gigantic bird had died out.

Map outlines global hotpots of bycatch intensity

Fishery bycatch poses a great threat to various endangered species, and to ecosystems in general. Scientists have now mapped out the problem.

Metabolism works differently than we thought

Kleiber’s law of metabolism, which states that the metabolic rate of an animal scales to the 3/4 power of the mass, has a flaw in it, argues Danish scientist.

How spiders weave their webs

Scientists have at last figured out what goes on when spiders spin their webs.

Animal origin theory challenged: Early animals needed almost no oxygen

The first animals on Earth could get by with much less oxygen than previously thought, new study reveals.

Why do headless chickens run?

The brain does not control all body movements. Some movements are to a great extent controlled by neural networks in the spinal cord. This is why a chicken can run away after you chop its head off. A new study takes a closer look at this strange phenomenon.

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.

Photos: Eye contact with Savannah animals

A new photo exhibition looks deep into the eyes of Africa’s wild animals.

Even tiny oil spills may break Arctic food chain

Drilling for oil in the Arctic may have catastrophic consequences, new study suggests.

Biggest threats to farmers have four legs

Big animals are more dangerous for Norwegian farmers than even-bigger tractors, a new analysis shows. Cows are the chief culprits, causing the most work accidents on Norway's farms.