Why was Alex the parrot taught to "speak" rather than being taught a sign language or an artificial language?
A) Grey parrots lack the dexterity to use a computer touchscreen.
B) Researchers could not distinguish among the gestures made by parrots.
C) Grey parrots have vocal apparatuses that allow them to mimic many human sounds.
D) Alex refused to interact with the artificial language apparatus.

Question

Quizplus · Accepted Answer

Grey parrots, like Alex, have a vocal apparatus that enables them to mimic a wide range of human sounds, making it feasible for them to "speak" or replicate spoken words. This ability was utilized in research to study cognitive abilities and communication.

Why Was Alex the Parrot Taught to "Speak" Rather Than