By Reed Tucker. Since then, all manner of penises have appeared on animals and in Zoom calls — some practical, some ingenious and some downright strange. First, how to even define a penis? Take millipedes for starters. The arthropods get it on with a specialized pair of legs located on their seventh body segment. Another pair of legs located close to the head loads them with sperm, and off they go.
Whale Penis - The Largest Member of the Willy Family
Whale Penis - The Largest Member of the Willy Family | Whale of a Time
Getting a glimpse of the impressive appendage, however, is surprisingly rare, which is why marine biologists at the Hawaii-based Pacific Whale Foundation were downright giddy when they recently spotted a whale swimming off the western coast of Maui with his junk out. Stephanie Stack, a research biologist for the foundation, said that her team was taking a lunch break after a routine morning survey in January when they noticed a competition pod , which consists of one adult female and a group of males that aggressively compete for the chance to mate with her. Not much is known about whales' sexual behavior, Stack told The Huffington Post, so she and her colleague Jens Currie put their pole-mounted GoPro cameras into the water to get footage of the pod. They were able to record the "penis extrusion," when a whale is swimming with his penis out seen at in the video above. On Monday, Stack published a blog post on Pacific Whale Foundation's website, detailing their discovery. The penis extrusion documented by Stephanie Stack and Jens Currie.
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Both whales and dolphins have pelvic hip bones, evolutionary remnants from when their ancestors walked on land more than 40 million years ago. Common wisdom has long held that those bones are simply vestigial, slowly withering away like tailbones on humans. New research from USC and the Natural History Museum of Los Angeles County NHM flies directly in the face of that assumption, finding that not only do those pelvic bones serve a purpose -- but their size and possibly shape are influenced by the forces of sexual selection. But it appears that's not the case," said Matthew Dean, assistant professor at the USC Dornsife College of Letters, Arts and Sciences, and co-corresponding author of a paper on the research that was published online by Evolution on Sept.
Sure, the structure was important 40 million years ago, when the ancestors of these seagoing mammals were walking around on land and had actual legs attached to actual hips. No wonder evolutionary biologists have long considered these small, apparently useless bones purely vestigial, destined eventually to vanish. That in turn would give him more descendants with the ideal, pelvis-anchored musculature to keep their partners happy, producing even more descendants, and so on. The triumph of the agile penis.