High-speed flight recordings of lovebirds making quick in flight turns reveal how these birds improve sight and shorten blur by rotating their head at speeds of up to 2,700 degrees per second, as fast as insects, enabled by fast neck muscles. The rosy-faced lovebird (Agapornis roseicollis). Image credit: David González Romero. Lovebirds are any of the nine species of the parrot genus Agapornis (family Psittaculidae). One species, the grey-headed...
