There are several journals and publications that provide comprehensive study plans and strategies for the Zoology optional subject. These resources can be extremely helpful for candidates preparing for the Zoology optional paper in the UPSC exams. Below are some notable publications that offer study plans and strategies for Zoology:

1. Journal of Zoology:
- The Journal of Zoology is a leading scientific publication that covers a wide range of topics in zoology.
- It publishes original research articles, reviews, and perspectives on various aspects of animal biology.
- Reading articles from this journal can help candidates gain a deeper understanding of key concepts and stay updated with the latest developments in the field.

2. Current Science:
- Current Science is a multidisciplinary scientific journal that publishes research articles in various fields, including zoology.
- It covers a wide range of topics and provides a platform for researchers to share their findings.
- Reading articles related to zoology in this journal can help candidates broaden their knowledge base and develop a comprehensive understanding of the subject.

3. Indian Journal of Zoology:
- The Indian Journal of Zoology is a peer-reviewed journal that publishes original research articles, reviews, and short communications in the field of zoology.
- It covers a wide range of topics, including animal physiology, ecology, behavior, and taxonomy.
- Candidates can refer to this journal to enhance their understanding of different aspects of zoology and gain insights into recent research trends.

4. Zoological Journal of the Linnean Society:
- The Zoological Journal of the Linnean Society is a prestigious publication that publishes original research articles, reviews, and perspectives in the field of zoology.
- It covers a broad range of topics, including animal evolution, systematics, morphology, and ecology.
- This journal can be a valuable resource for candidates looking to delve deeper into specific areas of zoology and stay updated with the latest research.

In addition to these journals, candidates can also refer to textbooks and study materials specifically designed for the UPSC Zoology optional subject. These resources provide comprehensive coverage of the syllabus and often include study plans, strategies, and practice questions to aid in exam preparation.