Weddell seals rest on the pack ice. (Photo: AWI) Due to construction work in the sea, shipping, and gas and oil extraction, the oceans are becoming increasingly louder. A comprehensive international study has now shown that this noise affects the behaviour of far more...
Encounter between human and Weddell seal. (Photo: Henry Keiser) Weddell seals can chirp, whistle, and trill at frequencies beyond the range of human hearing. This states a study by the McMurdo Oceanographic Observatory. Weddell seals are very vocal. But the ability to...