AdvertisementWhere They Weigh Scorpionsand Measure LionsImage A Humboldt penguin named Heathcliff stepping on the scale. Credit Zoological Society of LondonHow do you get an emperor scorpion to hop up onto a scale to peer at its weight? The lightest creature weighed at the London Zoo so far is the leaf cutter ant, whose weight is measured in micrograms, Mr. Habben said. You would think that, given its height and weight, the giraffe would be the hardest animal to weigh. They aren't easy to weigh, the London Zoo said.

Source: New York Times August 26, 2017 12:24 UTC