Why wildlife managers are coating raven eggs with nontoxic oil to protect sage-grouse
Egg oiling helps protect vulnerable Sage-Grouse by reducing raven numbers. Common ravens are among the most intelligent birds in the world. Over the years, raven numbers have increased in many places because they benefit from food and nesting sites linked to human activity. According to USGS research, from 1966 to 2018, raven numbers across North…