3D Animation of Cow for Education

I need a 3D animated video of a cow, up to 2 minutes long. The animation is aimed at adults and will be used for educational content on animal biology.

Requirements:
- Realistic 3D cow model
- Detailed animations showcasing biological features
- Engaging and informative visuals
- Professional narration or subtitles

Ideal Skills:
- Expertise in 3D animation software (e.g., Blender, Maya)
- Strong understanding of animal biology
- Experience in creating educational content
- Good storytelling and animation skills

Please include samples of similar work in your bids.