sentences:  The event is believed to be worth around £2 million to the Shetland economy annually.Bennett's tree-kangaroo
  
  Bennett's tree-kangaroo ("Dendrolagus bennettianus") is a large tree-kangaroo.Males can weigh from 11.5 kg up to almost 14 kg (25 to 31 lbs), while the females range between about 8 to 10.6 kg (17.6 to 23 lbs).