May-Collado, L. J.; Bottoms, S.; Durant, G.; Palacios-Alfaro, J. D.; Alvarado, J. J. Southern Hemisphere Humpback Whales (Megaptera Novaeangliae) (Artiodactyla: Balaenopteridae) Singing Activity at Caño Island Biological Reserve, Costa Rica Before, During, and After COVID-19 Lockdowns. Rev. Biol. Trop. 2023, 71, e57280.