7/7/2023 0 Comments Download australian glow wormIn many other species, males have gaudy ornaments, from brightly colored feathers to large antlers that help females decide who to mate with, as they indicate good health and, consequently, good genes to pass on to offspring.įemale ornamentation is rarer, probably because reproduction takes more time and energy from females and they are pickier about their mates. It’s a relatively rare example of females having ornamentation to attract males, says Bruce Lyon, an ecologist at the University of California, Santa Cruz. Past studies have shown that the brightness of a female glow worm corresponds to the number of eggs it will produce. ![]() In addition to being a nasty way to eat, research suggests female glow worms use their shine to entice males. From there, the glow worm will puncture the insect and suck out its insides. Their steady light is a hunting tactic to attract insects and ensnare their prey's wings in gooey strings that hang from the cave ceiling. ![]() Related: Nat Geo brings you inside glowworm caves with One Strange Rock.
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