This video is called Joshua Klein: The intelligence of crows.
From Scientific American:
Crows Show Off Their Social Skills
New findings on crows’ intelligence lend perspective on how social smarts evolve
By Harvey Black
August 26, 2013
The intelligence of the corvid family—a group of birds that includes crows, ravens, magpies, rooks and jackdaws—rivals that of apes and dolphins. Recent studies are revealing impressive details about crows’ social reasoning, offering hints about how our own interpersonal intelligence may have evolved.
One recent focus has been on how these birds respond to the sight of human faces. For example, crows take to the skies more quickly when an approaching person looks directly at them, as opposed to when an individual nears with an averted gaze, according to a report by biologist Barbara Clucas of Humboldt State University and her colleagues in the April issue…