Betty the crow may not have invented her hook-bending tool trick
Textbook example of ‘spontaneous’ toolmaking challenged by wild bird studies
![crow bending stick](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/08/080916_SM_crow_feat.jpg?fit=860%2C460&ssl=1)
BIRD BENDING A wild New Caledonian crow has used a hook it made to snag an insect. New studies of twig bending raise questions about an earlier report of a lab bird’s possible toolmaking insight.
James St Clair