Penis extrusions by humpback whales (Megaptera novaeangliae) on the Hawaiian winter grounds. (2002)
Journal Article
Pack, A. A., Herman, L. M., Craig, A. S., Spitz, S. S., & Deakos, M. H. (2002). Penis extrusions by humpback whales (Megaptera novaeangliae) on the Hawaiian winter grounds. Aquatic mammals, 28, 131-146

The annual winter assembly of humpback whales (Megaptera novaeangliae) in tropical waters has been linked to reproductive activities, including birthing, calf-rearing, and mating. However, the sexual behaviour of this species remains largely undescri... Read More about Penis extrusions by humpback whales (Megaptera novaeangliae) on the Hawaiian winter grounds..