There are few birds that can brighten up Sightings like a handsome male evening grosbeak. This stocky robin-sized bird is ...

While unfortunate for the males, becoming a post-sex meal offers the females vital nutrients needed to sustain themselves and ...

Male blue-lined octopuses inject females with venom to paralyse them before mating and avoid being eaten after sex. Both male and female blue-lined octopuses produce a powerful neurotoxin called ...

Male blue-lined octopi (Hapalochlaena fasciata) have been found to use venom on their sexual partners, as well as for the ...

Scientists observed male blue-lined octopuses injecting tetrodotoxin into females, which rendered them immobile for mating Sarah Kuta Daily Correspondent When they're alarmed, blue-lined octopuses ...

Male blue-lined octopuses inject females with venom during mating to avoid being eaten by their partners, observations suggest 1. Blue-lined octopuses ( Hapalochlaena fasciata) have paralysing venom ...

During mating, some male octopuses inject females with their ... as a defence mechanism. Several blue-ringed octopus species use tetrodotoxin as a powerful weapon to quickly immobilise and kill ...

Male blue-lined octopi (Hapalochlaena fasciata) have been found to use venom on their sexual partners, as well as for the usual reasons of defense against predators and subduing prey. Killing the ...

Male blue-lined octopuses immobilize partners with venom before mating In the animal world, survival often involves strategies that are as ingenious as they are unexpected. Female blue-lined octopuses ...

Now, researchers studying the octopuses have learned that not only do male blue-lined octopuses use their venom against enemies, but also against members of their own species — cannibalistic ...