West Australian Police have found a large number of dead crows on country roads lately and there was concern that they may have died from Avian Flu. A Pathologist examanied the remains of all the crows and to everyone's relief, confirmed the problem was NOT Avian Flu.
The cause of death appeared to be from vehicular impacts. However, during analysis it was noted that varying colours of paints appeared on the bird's beaks and claws. By analysing these paint residues it was found that 98% of the crows had been killed by impact with motorbikes while only 2% were killed by cars.
The investigators then hired an Ornithological Behaviourist to determine if there was a cause for the disproportionate percentage of motorbike kills versus car kills. The Ornithological Behaviourist quickly concluded that when crows eat road kill, they always have a look-out crow to warn of danger. They discovered that while all the look-out crows could shout "Cah", not a single one could shout "bike".
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