Zoo air contains enough DNA to identify the animals inside

The air in a zoo is full of smells, from the fish used for feed to the manure from the grazing herbivores, but now we know it is also full of DNA from the animals living there. In the journal Current Biology on January 6th, ...

Zoo monkeys prefer traffic noise to natural sounds: study

They may be naturally suited to swinging in rainforests, but monkeys in a Finnish zoo have demonstrated a "significant" preference for traffic sounds instead of the noises of the jungle, researchers have found.

Details of dental wear revealed

The teeth of mammals experience constant wear. However, the details of these wear processes are largely unknown. Researchers at the University of Zurich have now demonstrated that the various areas of herbivores' teeth differ ...

Change of teeth causes yo-yo effect in elephants' weight

The weight of elephants living in zoos fluctuates over the course of their adult lives in cycles lasting around a hundred months, researchers at the University of Zurich have found. The fluctuation is linked to the particular ...

Birds startled by moving sticks

Do animals—like humans—divide the world into things that move and things that don't? Are they surprised if an apparently inanimate object jumps to life?

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