Here are a few options for descriptions for the WordPress post tag “哺乳類” (translated as “Mammals” in Traditional Chinese), ranging in formality and detail:

**Option 1: Concise & Simple**

* **Description:** 包含有關哺乳動物的文章。 (Contains articles about mammals.)

**Option 2: Slightly More Descriptive**

* **Description:** 探索哺乳動物世界的文章，包括其生物學、行為、棲息地和多樣性。 (Articles exploring the world of mammals, including their biology, behavior, habitats, and diversity.)

**Option 3: More Detailed and Engaging**

* **Description:** 深入了解哺乳類：這個溫血脊椎綱的生物，包括我們自己。從小巧的老鼠到巨大的鯨魚，發掘牠們的特性、習性，以及在不同生態系統中扮演的角色。 (Delve into the world of Mammals: these warm-blooded vertebrates, including ourselves. From tiny mice to enormous whales, discover their characteristics, habits, and roles within different ecosystems.)

**Option 4: Focus on Conservation (If Relevant to Your Site)**

* **Description:** 了解世界上的哺乳類，及其面臨的挑戰。探索牠們的保護工作，以及保護牠們的棲息地，確保我們共享的星球上的生物多樣性。 (Learn about the world’s mammals and the challenges they face. Explore conservation efforts and the preservation of their habitats to safeguard biodiversity on our shared planet.)

**When choosing, consider:**

* **Your blog’s overall tone:** Is it formal, informal, scientific, or popular?
* **Your target audience:** Who are you trying to reach?
* **The content of your posts:** What specific aspects of mammals do you usually cover?

You can also add keywords to help with search engine optimization (SEO) within the description, e.g., using terms like “生物學 (biology),” “棲息地 (habitat),” “進化 (evolution),” or specific mammal names (if appropriate for your content). Make sure to put those related keywords in the description.