Owls zero in on their prey under snow by eavesdropping on the sounds they make; Elephant behaviour helps to maintain healthy, carbon-rich forests; Feisty songbirds swarm their predators – but only when the time's right; The ‘sensory moustache’ that helps bats find sweet snacks; Cockatoos have a handy tool belt to fish for cashews; Seals may not tap their toes, but seals also appreciate a good musical rhythm; Listener Question: Why can’t waste plastic be dumped into volcanoes?