Who is leaving colorful, wood-carved birds in not-so-obvious places along Milwaukee’s Oak Leaf Trail? No one knows, but ...

Bird flu has devastated poultry and dairy farms since it was first detected in North America in late 2021. But what has been ...

Plastic waste has let common coots reuse nests year after year. Scientists have now used the trash layers to date how old nests are.

Ironically, the salt marsh sparrow on the east coast of the U.S. is widely regarded in science as the most promiscuous bird in the entire world; 95 percent of the females mate with more than one male ...

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