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Lewis Halsey: Do wild animals exercise to keep fit?

How do animals manage amazing feats of fitness without seeming to do any training, asks environmental physiologist Lewis Halsey

A beaver in the water

Environment

The secret site in England where beavers control the landscape

Marsupial lion skeleton

Life

Australia’s ‘marsupial lion’ was a meat-ripping, tree-climbing terror

macaques

Life

Monkeys chill out just from seeing their friends being groomed

tungara frog

Life

City living makes urban male frogs far more attractive to females

Serge Wich: How drones are conserving wildlife

gecko

Life

Geckos sprint across water on air bubbles they make with their legs

blue-footed Amazon parrot

Life

Parrots are clever because their brains evolved the same way as ours

adult spider

Life

Some spiders produce milk – and it’s more nutritious than cow’s milk

A wallaby in Tasmania

Environment

Roadkill deaths halved on Australian road thanks to a fence of sound

A network of alarms activated by approaching car headlights has stopped hundreds of animals from being run over and killed on an Australian highway

Bruce Whitelaw: Should we gene edit farm animals?

Technology

Rats can make friends with robot rats and will rescue them when stuck

Technology

Smart mini-backpacks for chickens can monitor their welfare on farms

Life

Sick ants stay clear of their co-workers to stop disease spreading