Ravens cooperate — but not with just anyone:

Ravens cooperate — but not with just anyone:

ravenfair

In an experiment, two ravens had to simultaneously pull the two ends of one rope to slide a platform with two pieces of cheese into reach. If only one of them pulled, the rope would slip through the loops, leaving them with no cheese. Without any training they solved the task and cooperated successfully.

However, when one of the two birds cheated and stole the reward of its companion, the victims of such cheats immediately noticed and started defecting in further trials with the same individual.

“Such a sophisticated way of keeping your partner in check has previously only been shown in humans and chimpanzees, and is a complete novelty among birds.”

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s