Czech Keporkak Cited by user Podzemnik on 10 Oct 2022 Keporkak (Megaptera novaeangliae), někdy označovaný jako plejtvák dlouhoploutvý, hrboun dlouhoploutvý, velryba hrbatá, plejtvák keporkak ad., je kosticový kytovec.
English Vocal learning Cited by user Rjwilmsi on 02 Dec 2014 Vocal learning is the ability to modify acoustic and syntactic sounds, acquire new sounds via imitation, and produce vocalizations.