Female hammerhead sharks have been observed giving birth without mating, a survival strategy in the absence of males. Blacktip sharks have also demonstrated virgin births through parthenogenesis.

Some animals do reproduce by parthenogenesis—some forms of insects do, for instance. But there's no parthenogenetic development in any mammal that's known. NOVA scienceNOW: Given that these ...

Asexual animals arose from diversified sexually ... which consists only of females who reproduce by parthenogenesis. They appear to be the only known unisexual reptile. Clones generally hit ...

Syngenta Biotechnology China-led research, with partners in the U.S., France, the UK, Chile, the Netherlands, Argentina, and ...

She can reproduce the old-fashioned way, by mating with a male and laying eggs. Or she can lay eggs without having mated, through a sort of virgin birth process called parthenogenesis. In 2006 at ...

But the California Condor Recovery Program successfully bred the animals back from the brink ... a phenomenon called parthenogenesis. The asexually produced offspring were especially surprising to ...