Here are a few options for a description of the WordPress post tag “鳥類睡眠” (Bird Sleep) in Traditional Chinese, ranging in formality and detail:

**Option 1 (Concise & General):**

> 探索關於鳥類睡眠的知識與奥秘。

* **Translation:** Explore the knowledge and mysteries of bird sleep.

**Option 2 (Slightly More Descriptive):**

> 了解鳥類是如何睡眠的，包括它們的休息姿勢、睡眠環境和睡眠習慣。

* **Translation:** Learn how birds sleep, including their resting postures, sleep environment, and sleep habits.

**Option 3 (More Informative):**

> 這裡收集了有關鳥類睡眠的相關文章，包括不同鳥類的睡眠模式、夜晚保護策略，以及睡眠對牠們生存的意義。

* **Translation:** Here are articles related to bird sleep, including the sleep patterns of different birds, nighttime protection strategies, and the significance of sleep to their survival.

**Option 4 (Emphasis on Behavior):**

> 深入了解鳥類的睡眠行為，揭示它們在夜間的秘密活動和獨特的睡眠策略。

* **Translation:** Delve into the sleep behavior of birds, revealing their secret nocturnal activities and unique sleep strategies.

**Choosing the Best Option:**

Consider these factors when choosing:

* **Target Audience:** Are you writing for experts, enthusiasts, or the general public?
* **Content of the Posts:** Does your content focus on behavior, physiology, conservation, or something else?
* **Overall Website Tone:** Do you want a formal, informal, or engaging tone?

Based on this information, choose the option that best fits your needs. The key is to be clear and informative, encouraging users to explore the articles associated with the tag. You can also combine elements from several of these options to create your own custom description.