Here are a few options for a WordPress post_tag description for “新鳥” (Xīn niǎo) in Traditional Chinese, depending on your desired tone and focus:

**Option 1: Concise and Literal**

* **繁體中文:** 新鳥 (新的鳥類、種類)
* **Description:** This tag categorizes content related to new birds, focusing on newly discovered species or types of avian life.

**Option 2: More Descriptive**

* **繁體中文:** 新鳥 – 我們認識的新鳥類
* **Description:** 標記與新鳥相關的文章、圖片和資訊。 包括新發現的鳥類，或者對現有鳥類的新觀察、研究和知識。 (Tagging articles, images, and information related to new birds. Includes newly discovered bird species, or new observations, research and knowledge about existing birds.)

**Option 3: Emphasizing Exploration and Discovery**

* **繁體中文:** 新鳥 – 探索新發現的鳥類世界
* **Description:** 一起探索充滿驚奇的新鳥世界。 此標籤涵蓋關於新增鳥類、罕見鳥類、以及鳥類學最新研究的資訊。 (Explore the amazing world of newly discovered birds with us. This tag covers information about new birds, rare birds, and the latest ornithological research.)

**Option 4: Focusing on a specific geographic area (If applicable to your site)**

* **繁體中文:** 台灣新鳥 (Taiwan’s New Birds)
* **Description:** 涵蓋與台灣新發現或罕見鳥類相關的文章、圖片和新聞。 (Covers articles, images, and news related to new discoveries or rare birds in Taiwan.)

**Key considerations when choosing:**

* **Purpose of your website/blog:** What kind of information do you usually post?
* **Target audience:** Who are you trying to reach?
* **Content already on your site:** What kinds of things have you tagged with “新鳥” up to this point?

Choose the description that best reflects the actual content and the context of your website. You can also modify and combine elements from these suggestions. Good luck!