He points out that creatures are programmed to find food and to avoid predators.

ECONOMIST: Computing and biology

Experts were amazed that the tagged bat managed to find another colony and avoid predators during the journey.

BBC: Greater horseshoe bat

Severino had built up a mass of knowledge on where to find water, which nuts to eat and where to find them and how to avoid predators, the BBC's Brazil correspondent Tom Gibb reports.

BBC: Brazil hunts for unique lost bird

The letter, also available on the ACLU Web site, argues that enforcing the Act might require the department to divert "critical investigative and prosecutorial resources" now used to find and prosecute child pornographers and predators.

CNN: Court challenge of 'CDA II' continues

It sees staff based at Slimbridge don grey crane suits and teach the birds to find food, swim, socialise and guard against predators.

BBC: Crane eggs arrive at Slimbridge Wetland Centre