A hadada: nothing can quite capture the sound of these birds, because its mainly just rude noise | Helen Sullivan

Hadedas are iridescent grey-brown ibises – jack russell-sized birds with long, curved bills and very small heads – found throughout sub-Saharan Africa. They have a special skill called “remote touch”, which they use to find their worm, grub and snail prey. At the tip of their bills is an organ that, when they stick it into the soil, can sense the vibrations of their food nearby. This sense works best in wet soil, something researchers discovered by having hadedas dip their beaks into trays of soil that held buried worms. In one of the trays, the sounds the worms make

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