Tag Archives: Males

Scientists have had to create an entirely new spider genus after four new tarantula species were found to have such long genitalia that they couldn’t fit into any pre-existing category. The team believe the males have evolved this impressive appendage to keep themselves as far away as possible from aggressive females, which are known to eat their partners during mating. …

Credit: Ken Zirkel,the Museum of Natural History By the time “Lucy” took her final steps across the Ethiopian landscape 3 million years ago, her kind may have been living in a social world far more combative than we once imagined. A new study reveals that males of Australopithecus afarensis — the species that includes the famous fossil — were dramatically …