Cows get GPS collars to stop them falling in river

Cows have been fitted with GPS collars to try to stop them falling into a river. Cambridge City Council said up to four ended up in the River Cam during grazing season between April and October each year. Solar-powered GPS devices emit a high-pitched sound as the animal moves through a boundary zone towards the water, with a mild electric pulse delivered if it fails to turn around. The council spends about £10,000 a year funding a team to recover cattle from the river, and said the new technology would help with costs. ... Read full article.