In addition to the bull in Mistkümeln, Kakadus has acquired a second cultural achievement in Sydney (Australia): they feed their thirst for drinking water donors for people in the morning and in the evening.
The smart birds are on the lever -shaped faucets, open them through body weight and keep the beaks in the beam, explains the Austrian behavioral researcher Barbara Klump in the “Biology Letters” magazine.
Klump observed for the first time on a tour through West Sydney in September 2018, how a Yellow Hood Caca Cadu (Cacatua Galerita) was labeled on a drinking water fountain. Almost a year later, the researcher of the Department of Behavioral and Cognitive Biology at the University of Vienna with colleagues wanted cameras on ten of such fountains to document and investigate the behavior in more detail. Incidentally, with every second water dispenser there were “causes” of Snaps, which was indirect evidence for use by the birds, “the researchers said.
More than 500 drinking attempts from the Cacadus filmed
The cameras finally filmed more than 500 cockatoos drinking attempts. The intelligent and very social birds were successful in four out of ten cases. Sometimes several of them squatted on a fence next to the fountain when a co -woman used and drank the lever. They preferred to visit the fountains in the morning and in the evening. “Because the water dispensers are near the sleeping places, they are popular approach points both in the morning after waking up, but especially in the evening before the birds retire to their bedrooms,” Klump said.
The birds were partially marked, so that the researchers could calculate that seventy percent of the local cacado population used the water dispensers. It was no longer during the observation period of a month and a half. “This indicates that the innovation of drinking water fountain in the birds has already experienced an extensive social distribution before our studies,” the researchers wrote.
Already observed when opening waste cans
In an earlier study, Klump observed with colleagues how the Yellow Hood Cacaradus open garbage bins with pugs and feet to get bread and other food waste:
People tried to scare them with snake -grout and complained with stones, but the birds bravely showed themselves and knocked the symptoms down. A competition between people and Cacadus developed to thwart or continue to continue the Dungaas animal, as the researcher reported.
Source: Krone
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