May 17, 2017 | Featured in: Watching Backyard Birds, June 2017

Weird Things to Feed Birds: Eggshells

Want to offer more to your backyard visitors than seed and suet? Try eggshells.

Here's a handy backyard tip: Birds need calcium to produce eggs. They get it from their diet, and they don't store a lot in their bodies. If a laying female doesn't obtain enough calcium, she could experience decreased eggshell thickness, reduced clutch size, or even a lower hatching rate.

Providing eggshells helps female birds replace calcium lost during egg production and laying. Save your eggshells; dry them in the oven for 10 minutes at 250 degrees; crumble them and spread the pieces on an open spot on the ground, or toss them on the roof.

About Bill Thompson, III

Bill Thompson III is the editor of Bird Watcher's Digest by day. He's also a keen birder, the author of many books, a dad, a field trip leader, an ecotourism consultant, a guitar player, and blogger.

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