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Some probe-foraging birds locate their buried prey by detecting vibrations in the substrate using a specialized tactile bill-tip organ. This remarkable ‘sixth sense’ is known as remote touch, and the associated organ is found in probe-foraging species belonging to both the palaeognathous (in kiwi) and neognathous (in ibises and shorebirds) groups of modern birds. Intriguingly, a structurally similar bill-tip organ is also present in the beaks of living, non-probing palaeognathous birds (e.g. emu and ostriches) that do not use remote touch. A team of researchers from South Africa provides evidence that the lithornithids the earliest known palaeognathous birds which evolved in the Cretaceous period had the ability to use remote touch. ....

South Africa , United States , New Zealand , University Of Cape Town , Western Cape , South African , Susan Cunningham , John Gerrard Keulemans , Anusuya Chinsamy Turan , National Library , Fitzpatrick Institute Of African Ornithology , Fitzpatrick Institute , African Ornithology , North America , Professor Anusuya Chinsamy Turan , ஒன்றுபட்டது மாநிலங்களில் , புதியது ஜீலாந்து , பல்கலைக்கழகம் ஆஃப் கேப் நகரம் , மேற்கு கேப் , சூசன் கன்னிங்ஹாம் , தேசிய நூலகம் , ஃபிட்ஸ்‌ப்யாட்ரிக் நிறுவனம் , வடக்கு அமெரிக்கா ,