Animals
Sperm whales clicks 'one of closest parallels' to human language, study reveals
Researchers have found that sperm whales communicate with one another using distinct regional accents
Poisoned meat 'targeting dogs' found in London parks - police issue warning after animals found dead
In the past, razor blades have been found in tennis balls and toys have been laced with poison in the capital
Historic cherry blossoms under threat by ravenous beetles eating trees from the inside out
The beetle's extraordinary reproductive capacity makes it particularly difficult to control
