New research recently publishedconfirms the remains of the last living female great auk resides in Cincinnati. Researchers ...

Among mammals, females generally live longer. The recent comparative study examined 528 mammal species in zoos and found that 72% showed a female life expectancy advantage, averaging 12% longer lives ...

Researchers believe that the cardinal frequenting the Caldwells’ bird feeder in Erie, Pennsylvania, is a rare bilateral gynandromorph, half male and half female. Not much is known about the unusual ...

The biologists say the blue jay and green jay have evolved separately for roughly 7 million years and rarely overlapped in ...

Scientists in Texas confirmed the existence of a rare hybrid bird, the offspring of a green jay and a blue jay. It’s one of the first known cases of climate change driving two species into the same ...