Isle Royale Moose Skull (image) Michigan Technological University Share Print E-Mail Caption The researchers measured the length, width and height of moose skulls to study the impact of climate change on the iconic Northwoods species. The team measured 662 moose skulls and observed a 16 percent decrease in size over 40 years. Credit Sarah Bird/Michigan Tech Usage Restrictions please credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.