Here are a few options for the WordPress post_tag description, along with explanations of each:

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

* **Title:** 夜間鳥類
* **Description:** 探索夜晚出沒的鳥類，包括它們的行為，鳴叫聲和生態角色。 (Explore birds active at night, including their behavior, calls, and ecological roles.)

* **Explanation:** This option is straightforward and clearly describes the subject of the tag. It uses common vocabulary and focuses on the key aspects.

**Option 2 (More Engaging):**

* **Title:** 夜間鳥類
* **Description:** 夜幕降臨，萬籟俱寂，是什麼在你的窗外輕聲啼鳴？ 了解夜間鳥類的奧秘，發現它們獨特的生存方式和令人著迷的世界。 (As night falls and everything is silent, what is chirping softly outside your window? Explore the mysteries of nocturnal birds and uncover their unique ways of life and captivating world.)

* **Explanation:** This option aims for a more evocative tone, starting with a descriptive sentence to draw the reader in. It poses a question to spark curiosity.

**Option 3 (Focus on Specifics):**

* **Title:** 夜間鳥類
* **Description:** 深入研究夜鶯，貓頭鷹等主要的夜間鳥類。 了解它們的習性，棲息地，以及如何更好地在你的花園中保護它們的安全。 (Delve into the major nocturnal birds like nightingales and owls. Learn about their habits, habitats, and how to better protect their safety in your garden.)

* **Explanation:** This option is more specific, listing example birds. This is good if your blog regularly covers certain key nocturnal birds.

**Option 4 (SEO-focused):**

* **Title:** 夜間鳥類
* **Description:** 關注夜間鳥類的各種資訊，包括貓頭鷹、夜鶯、蝙蝠等。 學習識別夜間鳥類的叫聲，以及如何在野外尋找它們。 (Focus on all kinds of information about nocturnal birds, including owls, nightingales, bats, etc. Learn to identify the calls of nocturnal birds and how to find them in the wild.)

* **Explanation:** This option includes keyword variations (e.g., also mentioning things *associated* with nocturnal birds, like bats, and places this tag could be useful, such as the “wild”). It’s slightly more verbose to ensure search engines and also users can understand the range of content it represents.

**How to use in WordPress:**

1. **Edit the Post Tag:** Go to your WordPress admin panel and navigate to **Posts > Tags**. Select the tag “夜間鳥類” (or add a new tag if you’re creating it).
2. **Add the Description:** In the “Description” field, paste your chosen description from above.
3. **Save the Tag:** Click “Update” (if editing) or “Add New Tag” (if creating a new one).

Choose the description that best suits your blog’s style and the type of content you’ll be tagging. Have fun!