An invisible enemy: The battle to save the black-
footed ferret from the plague
in The Guardian

Yersinia pestis, the bacteria that causes plague, killed millions of people across Europe in the Middle Ages. Today it remains a deadly threat to one of the most endangered species in the United States, and taking an unknown toll on America’s prairie ecosystems.

The Interior Least Tern’s comeback is a model conservation success
in Audubon

The inland population of America’s tiniest tern recently left the endangered species list. Here’s how conservationists and the Army Corps of Engineers teamed up to rebuild habitat and bring the birds back.