No mate? No problem for a free-living flatworm that shoots sperm into its head to fertilize itself. Continue reading →
A song produced by male nightingales communicates dad skills to attentive, listening females.
Songbirds have a compelling reason to get out of bed early: mating.
Male species of the antechinus spend two to three weeks a year in a testosterone-fueled mating marathon.
The wooing only works if the females can feel these vibrations.
When females are smelled but not seen, the mouse sings a complex song. But once his intended is in sight, he becomes more subdued.
Dinosaurs ruled the planet for 130 million years, so clearly they knew how to perpetuate themselves, but scientists have not had much to go on, in terms of their exact mechanics for doing the deed.
The new frog is the only species known to give birth to live tadpoles.
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