Researchers have discovered an extraordinary, vibrantly colored tropical bird with "female" feathers down one side of its body and "male" feathers down the other. Female green honeycreepers ...

Researchers with a team monitoring bird populations at Powdermill Nature Reserve, in Rector, Pennsylvania, netted a surprise on September 24: a rose-breasted grosbeak with bizarre coloring. It had the ...

In the western forests of Thailand, a burrowing creature that was both male and female was discovered. Maria Krasnova via Unsplash As a scientist, discovering and describing a new species is rare.

Meet the recently discovered Frankenstein-like tropical spider Damarchus inazuma - a striking new species found in the forests of western Thailand. Half its body displays female characteristics, while ...