Cetaceans, such as dolphins and whales, have complex societies with behaviors that closely resemble human and primate relationships, new research suggests. In a first study of its kind, scientists have created a comprehensive database of brain sizes and behaviors in 90 species of dolphins, whales and porpoises. They found evidence of such complex social behaviors […]
Tag: dolphins
Simulated copulation techniques reveal cetacean sex secrets 
A new study helps examine how mechanical interactions during copulation influence the shape of genitalia and fertility in cetaceans. Researchers used samples of cetacean genitalia acquired after the animals’ natural cause death. The scientists inflated excised penises using a saline solution to simulate an erection, and studied its interaction with silicone endocasts of vaginas in […]
