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

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 ...

Male butterflies seek out mates with the same wing color as they find them more attractive, reveals new research. Genetics, ...

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Springwatch presenter Lindsey Chapman on the boisterous, loud call of Cetti's warbler ...