LifeNightingales practise new songs in winter to impress mates in spring Thrush nightingales migrate to Africa during winter. While there, they experiment with new songs to impress mates during the spring breeding season in Europe News
LifeElephants can judge the quantity of hidden food just by using smell Asian elephants have shown that they can judge quantities – the amount of seeds in a locked bucket – just by using their extremely sensitive sense of smell News