New Caledonian crows build hooks like tiny engineers

Curious Contraptions

Only humans and New Caledonian crows make hooked tools in the wild 🪶✨
First: pick the right twig, then cut or pull it into a neat hook 🪵✂️
That hook is not for decoration. It helps the crow snag insects from holes much faster 🐛⚡
The wild plot twist: juveniles learn from parents and their tool traditions can spread over generations 🔖🧠

Crafty crows know what it takes to make a good tool

New Caledonian crows are famous for crafting sticks into hooked tools. Here's why they do it

Hook tool manufacture in New Caledonian crows: behavioural variation and the influence of raw materials - BMC Biology

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New Caledonian crows build hooks like tiny engineers

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