"Jackson quickly learned to mimic his brother; now they both know how to scream, they feed off each other," Gracie told Newsweek.

It's almost like no rooster was involved! Birds can't self-replicate, though, so Puffin just has very strong genetics ...

By Rohan Chakravarty A new study using citizen science data via eBird — an app used by birdwatchers to record sightings — has ...