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Tiny male marsupials sacrifice sleep for a chance at sex — then all die at once and get eaten
Male antechinuses live through just a single, extremely intense mating season. So to maximize their chances at sex, these little…
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Deadly male funnel-web spider ‘Hercules’ breaks record as biggest ever discovered
The Sydney funnel web spider (Atrax robustus) named Hercules is the biggest male specimen ever found. (Image credit: Australian Reptile…
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See ‘incredible’ photos of bird that is both male and female
Researchers have discovered an extraordinary, vibrantly colored tropical bird with “female” feathers down one side of its body and “male”…
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Shark has virgin birth after no male contact for 4 years in Chicago zoo
An epaulette shark pup (Hemiscyllium ocellatum) hatched from an egg that was not fertilized by a male at Brookfield Zoo.…
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When stressed, these male spiders woo mates with empty ‘take-out containers’ instead of dinner
Certain male spiders in South America usually give their partners a tasty snack before mating. But in stressful environmental conditions,…
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‘Sex drive switch’ discovered in male mouse brain that kicks their libido into overdrive
The neurons highlighted in this composite image of the male mouse brain — the preoptic hypothalamus (POA), in green, and…
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