If they manage to solve it, they will be rewarded with delicious seeds that are hard to resist.
The sulfur-crested cockatoo is a bird that lives in herbaceous landscapes, shrubs, and forests along the water. Grows up to 50cm (1.6ft) and weighs up to 975g (2.15lbs). They live in the wild for up to 40 years, and in captivity they can live up to 60 years or more.
The man behind said canal has prepared a very special puzzle of a sulfur parrot in his backyard.
At the same time, he demonstrated in the video how smart the mentioned parrots are. See how the parrot accepted the challenge, which was rewarded with a delicious treat.