Crows, smarter than you think | John Marzluff | TEDxRainier

11 insights saved from this video by @nature

@nature
A pet crow repurposed a learned human phrase to gather neighborhood dogs, keep them nearby, and create opportunities for play or food.
@nature
Magpies distinguished between spouses and repeatedly defecated only on the disliked husband’s car, even after he changed vehicles.
@nature
Magpies’ hostility toward a dangerous mask persisted and nearly doubled over eight years.
@nature
Magpies learn who is dangerous by watching other birds, including birds born years after the original captures.
@nature
Ravens ride bark on wind currents for recreation, showing behavior understood as play rather than feeding or display.
@nature
A New Caledonian crow solved an unfamiliar wire-and-tube problem by abandoning friction-based probing and bending wire into a hook.
@nature
Magpies recognize individual people and remember who threatened them, targeting the person rather than merely a vehicle or place.
@nature
Corvids experiment with objects and substances, rapidly linking each encounter to beneficial or harmful outcomes.
@nature
Crows rank among the world’s largest songbirds and use complex arbitrary calls to refer to objects and share knowledge.
@nature
Birds reassess incoming information during sleep and dreaming instead of simply reacting to it.
@nature
Birds have a hippocampus for spatial memory and an amygdala linking emotions to places and sensory information.

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