Here's the translation to English

The ability of parrots to memorize words and phrases varies depending on the species and the individual. Generally, some parrots can remember a large number of words and phrases, with their capabilities ranging from a few words to hundreds.

Here are some examples of the speaking abilities of certain parrot species:

• African Grey Parrot: Known for its high intelligence and ability to memorize many words and phrases. Some individuals can learn and repeat over 1000 words.

• Amazon Parrot: Can also learn a wide range of words and phrases, typically mastering between 50 to 100 words.

• Yellow-naped Amazon Parrot: Can learn around 50 to 100 words, with varying abilities in speaking and distinguishing sounds.

• Cockatoos: Their speaking ability varies by species, but some individuals can learn a good number of words.

Factors affecting a parrot's ability to memorize words:

• Repetition and Training: Regular repetition and training can help improve a parrot's ability to learn words.
• Motivation: Using rewards and encouragement can enhance the parrot's enthusiasm for learning.
• Interaction: Spending daily time interacting with the parrot can help improve its speaking abilities.

Overall, training a parrot to speak requires patience and dedication. It's important to have realistic expectations based on the parrot's species and individual behavior.