Rooftop wiretap aims to learn what crows gossip about at dusk

What are crows saying when their loud cawing fills a dark winter's evening? Despite the inescapable ruckus, nobody knows for sure. Birds congregate daily before and after sleep, and they make some noise, but what might be ...

Clever cockatoos bend hooks into straight wire to fish for food

In the early 2000s the New Caledonian crow Betty in Oxford shocked the world when she spontaneously bent a hook into a straight piece of wire while trying to retrieve a small out-off-reach basket with a handle from a vertical ...

Unique beak evolved with tool use in New Caledonian crow

It was as plain as the beak on a bird's face. Cornell ornithologist and crow expert Kevin McGowan recalls the day in the late 1990s when he first saw stuffed specimens of the New Caledonian crow.

Crows caught on camera fashioning special hook tools

Dr Jolyon Troscianko, from the University of Exeter, and Dr Christian Rutz, from the University of St Andrews, have captured first video recordings documenting how these tropical corvids fashion these particularly complex ...

When crows connect

An international team led by scientists at the University of St Andrews has studied social networks to understand how information might spread within and between groups of tool-using New Caledonian crows, according to a paper ...

New Caledonian crows show strong evidence of social learning

Among our greatest achievements as humans, some might say, is our cumulative technological culture—the tool-using acumen that is passed from one generation to the next. As the implements we use on a daily basis are modified ...

page 4 from 10