The pros and cons of large ears
Published 10 November 2017 Photo: Anders Hedenström Researchers at Lund University in Sweden have compared how much energy bats use when flying, depending on whether they have large or small ears. Large ears increase air resistance, meaning that long-eared bats are forced to expend more energy than species with small ears. On the plus side, large ears generate more lift and provide better hearing.
https://www.lunduniversity.lu.se/article/pros-and-cons-large-ears - 2025-05-01