**A. The Amazing Migration of Huntsman Spiders**
**B. Huntsman Spiders:

This phenomenon, known as the spider migration, is a remarkable biological marvel that scientists are still trying to fully understand. This annual event involves the movement of large numbers of huntsman spiders, specifically, the species known as *Heteropoda maxima*. These spiders, with their distinctive long legs and robust bodies, are known for their exceptional agility and ability to navigate complex terrains, which makes their migration a fascinating spectacle.

A. The Beauty and Calmness of Aphonopelma Tarantulas
B.

This docile nature is attributed to their slow metabolism and low activity levels. Aphonopelma tarantulas are also known for their unique and striking appearance. They are characterized by their large, hairy bodies, which can reach up to 10 inches in length. Their bodies are covered in a dense, velvety texture, and they possess a distinctive, almost iridescent, sheen. Aphonopelma tarantulas are found in the deserts of the southwestern United States and Mexico.

This spider is known for its defense mechanism, which is to kick up a cloud of itchy, irritating hairs from its abdomen when threatened. This cloud of hairs is so potent that it can cause discomfort and even pain to humans. **Detailed Text:**

The spider in question, while possessing a formidable defense mechanism, is not a particularly aggressive creature.