Warble duets seem linked to active territory defense. Physical fights in the wild were always preceded by warble duets. Playback experiments also showed that parrots increased warble duets when ...
Newswise — Woods Hole, Mass. (February 10, 2026)— Researchers and archivists at the Woods Hole Oceanographic Institution ( WHOI) have identified what may be the earliest preserved recording of a whale ...
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