![Eggshell consumption in different reproductive stages and broods of the Western Bluebird, <em>Sialia mexicana</em>](/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBdEFKIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--095d4ce24ed77baab2fd0f52ca5772564ab42514/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2QzNKbGMybDZaVWtpRFRZd01IZzJNREErQmpzR1ZBPT0iLCJleHAiOm51bGwsInB1ciI6InZhcmlhdGlvbiJ9fQ==--a3b53ba1a0f83efef18f6e75a8d4ce784384bee2/caroline-attwood-K9pO8lHUelE-unsplash.jpg)
The authors investigate whether Western Bluebirds and other perching birds consume eggshells, as a source of calcium, at a greater rate before reproduction and during nest building when they are unable to store calcium.
Read More...Eggshell consumption in different reproductive stages and broods of the Western Bluebird, Sialia mexicana
The authors investigate whether Western Bluebirds and other perching birds consume eggshells, as a source of calcium, at a greater rate before reproduction and during nest building when they are unable to store calcium.
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