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Meanwhile in Australia, cockatoos are biting tails of kangaroos and stealing their food. WASHINGTON (AP) — A few years ago, a scientist in Sydney, Australia, noticed a sulfur-crested cockatoo opening his trash bin. Not every resident would be thrilled, but ornithologist Richard Major was impressed by the ingenuity. It s quite a feat for a bird to grasp a bin lid with its beak, pry it open, then shuffle far enough along the bin s edge that the lid falls backward, revealing edible trash treasures inside. Intrigued, Major teamed up with researchers in Germany to study how many cockatoos learned this trick. In early 2018, they found from a survey of residents that birds in three Sydney suburbs had mastered the novel foraging technique. By the end of 2019, birds were lifting bins in 44 suburbs.

United statesNew south walesUnited kingdomLos angelesLucy aplinIsabelle laumerBarbara klumpUniversity of californiaAustralian museumMax planck instituteMax planck institute of animal behavioralRichard majorAnimal behavioralஒன்றுபட்டது மாநிலங்களில்புதியது தெற்கு வேல்ஸ்ஒன்றுபட்டது கிஂக்டம்