(FOXNEWS) — Lights left on during a foggy night last year at a West Virginia wind farm are thought to be behind the grisly deaths of nearly 500 songbirds.

It was the third time it happened — and each time, the federal government looked the other way.

Fast forward to last week. Following the deaths of a dozen migratory birds in Montana, Wyoming and Nebraska several years back, a Denver-based oil company was fined $22,500. The company was also ordered to make an additional $7,500 payment to the National Fish and Wildlife Foundation.

The disconnect demonstrates what critics call a blatant double standard that has to change. While the federal government aggressively pursues oil and gas companies for wildlife deaths, it often gives wind producers a pass.

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