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.