The More Feathers a Male Sparrow Carries to the Nest, the More Eggs the Female Will Lay (IMAGE)

Spanish Foundation for Science and Technology

The More Feathers a Male Sparrow Carries to the Nest, the More Eggs the Female Will Lay

Caption

The more feathers a male sparrow carries to the nest, the more eggs the female will lay.

Credit

Glyn Lowe Photoworks.

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