By Alex Johnson / NBC News
March 11, 2016

The 13 bald eagles that were found dead last month on Maryland’s Eastern Shore didn’t die of natural causes, wildlife officials said Thursday, and authorities are offering a $25,000 reward to help find whoever killed them.

The birds showed no signs of trauma when they were found Feb. 20 on a farm and in the woods in the town of Federalsburg in what Maryland Natural Resources police said was the biggest die-off of bald eagles in the state in 30 years.

Investigators initially speculated that they might have eaten poisoned animal carcasses put out to control rodents, but the owner of the farm…

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