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Specimen Preparation: Crow Skull (Updated) šŸ¦ā€ā¬›

  • Writer: Shannon Kira Mcmillan
    Shannon Kira Mcmillan
  • Jun 11, 2024
  • 2 min read

Updated: Nov 8, 2025

This was the second crow skull I prepared and cleaned, gifted to me by my partner for our anniversary in 2024. Unlike the first specimen, this skull included feathers, and a complete jaw, offering a fuller anatomical structure and greater curatorial potential. Having already gained experience from my first crow skull project in 2022, I was able to refine my techniques with more confidence and efficiency, using the same cleaning methods and equipment while focusing on improved preservation and presentation.


🧰 Materials and Equipment:

  • šŸ’€ Crow skull specimen (with complete jaw)

  • 🧼 Hot water and soap solutions for degreasing

  • 🪄 Toothbrushes and scrubbing tools

  • 🧻 Paper towels (for drying and support during cleaning)

  • ā³ Drying time: 24 hours minimum after each clean, scrub and whitening cycle

  • šŸ¶ 70% alcohol-water solution for whitening

  • šŸ«™ Soaking containers and cleaning equipment

  • 🧤 Rubber gloves and safety equipment


āš™ļø Preparation Process:

Step One: Degreasing and Sterilisation

  • 🫧 Initial Soaking – Soaked overnight in hot water with soap to remove oils and contaminants

  • 🪄 Detailed Scrubbing – Used toothbrushes to carefully clean both skull and jawbone, with extra attention to delicate areas


Step Two: Whitening Process

  • šŸ¤ Alcohol Whitening – Placed in a 70% alcohol-water solution overnight, ensuring an even finish while preserving bone integrity


šŸ–¼ļø Display Choice – Intentionally left the black vein-like markings to preserve the piece's uniqueness



Cleaned and whitened a common crow skull with jaw, sat on top of black feathers.
Common Crow Skull (with jaw) - Anniversary Gift from partner - 04/02/2024

Key Skills Developed:

  • šŸ–¼ļø Curatorial Practice – Enhanced experience with complete skeletal specimens, improved balance and presentation techniques, and consideration of visual and educational display potential

  • šŸ«™ Preservation & Management – Reinforced degreasing, sterilization, and whitening techniques, care for delicate skeletal elements, and consistent preservation workflows

  • šŸ›ļø Museum-Relevant Skills – Conservation-informed cleaning processes for display specimens, understanding how completeness affects interpretive value, and refined handling techniques for professional collections

  • 🧩 Problem-Solving – Adapting methods to protect fragile structures, applying prior experience to solve challenges efficiently, and replicating professional methods across multiple specimens

  • šŸŽØ Professional Skills – Building confidence through technical progression, maintaining patience and precision with fine details, and strengthening organizational and workflow management


This second crow skull represents not just a meaningful gift, but also a milestone in my development as a specimen preparator. By applying the same techniques with greater skill and confidence, I demonstrated progression in both technical cleaning and curatorial decision-making. This project highlights the importance of iterative practice in building professional-level expertise.


šŸ’€ See more on my Instagram: @BonesByShannon 🪲


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