...Alyssa Maxwell; Kirstin Anderson Hansen; Sara Torres Ortiz; Ole Næsbye Larsen; Ursula Siebert; Magnus Wahlberg ABSTRACT Many aquatic birds use sounds extensively for in-air communication. Regardless of this, we know very little about their hearing abilities. The in-air audiogram of a male adult...

...Asger Emil Munch Schrøder; Kristian Beedholm; Peter Teglberg Madsen ABSTRACT Echolocating animals reduce their output level and hearing sensitivity with decreasing echo delays, presumably to stabilize the perceived echo intensity during target approaches. In bats, this variation in hearing...

... and 3 kHz to 8 kHz range. The FT data indicate distances that a broadband sound with similar characteristics with manatee vocalizations can be emitted and received based on attenuation. There is a significant correlation between tonal vocal behaviour, hearing physiology of manatees and typical...