“They like bread, however in addition they eat ham and fish sandwiches or nibble on hen bones,” explains Dr Barbara Klump of the Max Planck Institute for Animal Conduct in Radolfzell, Germany, who studied the ‘naughty’ birds with colleagues in Sydney .
The saga started when Cacadu parrots found that bins usually contained meals, with bread and fruit being their favourites. The lids are comparatively heavy, however a couple of birds have began to open them utilizing their beaks and claws!
The “trick” was noticed in simply three Sydney suburbs in 2018, however has since unfold to 44 boroughs. The habits is an actual “nuisance” for residents, because the birds depart litter on the streets.
— Dr. John Martin (@Wingtags) August 28, 2022
“Birds develop their habits by studying from one another. However, inside every group, there are their very own strategies,” says Dr. Barbara Klump.
The stones positioned on the lids of the dustbins had been supposed to stop them from “stealing”, however the specialists seen that the birds push the obstacles and nonetheless handle to open the dustbins! Out of three,283 bins monitored, 1,134 had been “attacked”.
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“Some specimens have realized to open the water dispensers”
“Some specimens have additionally realized to open the water dispensers to drink,” added Dr. Barbara Klump.
“We do not know find out how to cease them!”, the native authorities additionally complain. The variant of a lock is out of the query, however a extra subtle tactic is to repair a stick between the lid hinges.
“And the weights on the bins appeared to work for some time, however the parrots obtained too good,” stated an area resident.
The yellow-crested cockatoo can attain a peak of fifty centimeters and a weight of 1 kilogram.
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