Tag Archive for 'Sex'

Carinasquama rusmithii. Image credit: Daza et al., doi: 10.3897/sjp.145.188227.

Oldest Known Male Gecko Found Preserved in Kachin Amber

Jul 20, 2026 by Enrico de Lazaro

Paleontologists have described a new genus and species of ancient gecko found in two pieces of amber from the 99-million-year-old (mid-Cretaceous) amber...

The western yellow wagtail (Motacilla flava), a small passerine bird in the family Motacillidae. Image credit: Sci-News.com.

Urban Birds Seem to Fear Women More Than Men: Study

May 1, 2026 by News Staff

Experiments involving dozens of European bird species — such as great tits, house sparrows and blackbirds — suggest the birds can distinguish...

Study: Ancient Mating Preferences Helped Shape Human Genome

Mar 2, 2026 by News Staff

Prehistoric humans and Neanderthals didn’t just interbreed, they did so with a consistent sex bias, as male Neanderthals and female modern humans mated...