(Phys.org) —Birds have been found to display superior judgement of their body width compared to humans, in research to help design autonomous aircraft navigation systems.
A University of Queensland (UQ) study has found that budgerigars can fly between gaps almost as narrow as their outstretched wingspan rather than taking evasive measures such as tucking in their wings.
UQ Queensland Brain Institute researcher Dr Ingo Schiffner said previous research showed humans unnecessarily turned their shoulders to pass through doorways narrower than 130 per cent of their body width, whereas birds are far more precise.
"We were quite surprised by the birds' accuracy – they can judge their wingspan within 106 per cent of their width when it comes to flying through gaps," Dr Schiffner said.
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