As an example, he points out that bats and mice have the same body weight and metabolic rate, but bats far outlive mice. (sciencemag.org)
Each thrush maintained about the same body weight and fat content, but the birds that had rested that day expended nearly as much energy as those that had continued their migration. (discovermagazine.com)
«Even though the gorging and fasting mice had about the same body weights as control mice, their adipose depots were heavier. (sciencedaily.com)