Scientists tested crows on their ability to recognize “geometric regularity,” a skill previously assumed to be unique to humans ...

Three researchers tested their theory on two male carrion crows (Corvus corone). Read also: Even your dog listens: New study reveals hidden canine comprehension The study conducted by Andreas ...

but the two forms remain distinct mostly due to the dominant role of plumage color in mate choice Carrion crow (Corvus corone) and (right) hooded crow (Corvus cornix) are the same species, ...

The researchers worked with three carrion crows (Corvus corone) that had already been trained to caw on command. Over the next several months, the birds were taught to associate visual cues — a ...

To test the birds’ mathematical abilities, scientists in Germany placed two male carrion crows (Corvus corone) in front of a digital screen in a laboratory. They displayed six shapes on the ...