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When a student (human or parrot) answers a question about an object correctly, they receive that object as a reward instead of a food reward, which is often used in other training techniques. Irene Pepperberg said the reward system is crucial, because it is the only way that students can make the direct connection between the object and the ...
Studies in bird behaviour include the use of tamed and trained birds in captivity. Studies on bird intelligence and song learning have been largely laboratory-based. Field researchers may make use of a wide range of techniques such as the use of dummy owls to elicit mobbing behaviour, and dummy males or the use of call playback to elicit ...
Alex was trained to use words to identify objects, describe them, count them, and even answer complex questions such as "How many red squares?" with over 80% accuracy. [90] N'kisi, another grey parrot, has been shown to have a vocabulary of around a thousand words, and has displayed an ability to invent and use words in context in correct ...
The 500 line segments defined above together form a shape in the Cartesian plane that resembles a bird with open wings. Looking at the line segments on the wings of the bird causes an optical illusion and may trick the viewer into thinking that the segments are curved lines. Therefore, the shape can also be considered as an optical artwork.
Providing birds with a safe and warm space is just as vital as extra food at this time of year. "Robins often use nest boxes as roosting sites during the winter, so putting up a suitable nest box ...
Ingredients to Use for Natural Food Coloring. Penguin Random House. The world is your proverbial oyster when it comes to the foods that you choose to achieve every color of the rainbow. Schreiber ...
Student academic scores, particularly in math, are at their lowest in decades | Opinion
Each species of bird in Smullyan's forest stands for a particular kind of combinator appearing in the conventional treatment of combinatory logic. Each bird has a distinctive call, which it emits when it hears the call of another bird. Hence an initial call by certain "birds" gives rise to a cascading sequence of calls by a succession of birds.