Here are a few options for the description of the WordPress post tag “夏候鳥” (Xià hòu niǎo – Summer Migratory Bird) in Traditional Chinese, along with explanations:

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

> 夏季來臨，由北方遷徙至此的候鳥。

> *Translation:* Migratory birds that arrive here from the north with the coming of summer.
> *Explanation:* This is a simple, direct, and commonly used explanation. It provides the essential information about what the tag represents.

**Option 2 (Adding Geographic Flavor):**

> 夏季造訪台灣，繁衍後代的候鳥，常見於濕地、平原等地區。

> *Translation:* Migratory birds that visit Taiwan in the summer, breeding here. Often found in wetlands, plains, and other areas.
> *Explanation:* This assumes your blog or content focuses on Taiwan. It hints at the geographic location where these birds are observed.

**Option 3 (Focusing on Behavior):**

> 為躲避寒冬，定期往返於不同地區，於夏天到來時，飛抵此地繁殖的鳥類。

> *Translation:* Birds that migrate regularly between different regions to avoid the cold winters, and arrive here in summer for breeding.
> *Explanation:* This focuses on the migratory behavior of the birds, which is a key characteristic.

**Option 4 (Adding a touch of Poetry):**

> 逐日北歸，夏日來訪，為大地帶來生機的候鳥。

> Translation: Returning north with each passing day, visiting in summer, migratory birds that bring vitality to the earth.
> *Explanation:* This is a more poetic and evocative description, suitable if your blog has a poetic tone.

**Which to Choose:**

Choose the description that best suits the tone and content of your WordPress blog and the specific context of the tagged posts. Consider the following:

* **Your Audience:** Who are you trying to reach? A general audience? Bird enthusiasts?
* **The Content:** What subject matter does the tagged content cover? Is it scientific, artistic, or casual?
* **Website Tone:** Does your website maintain a formal or informal tone? Consider whether the description should be formal and informative or a bit more expressive.

Remember to insert the chosen description into the “Description” field when editing the “夏候鳥” tag in your WordPress dashboard. This helps with SEO and provides a concise overview of the tag’s purpose for users.