If you can’t tell crows and ravens apart, you may think you’re uncovering a minor conspiracy when you’re actually witnessing ...

Common raven activity in relation to land use in western Wyoming ... Dele­hanty. 2016a. Landscape characteristics and livestock presence influence common ravens: relevance to greater sage-grouse ...

Common raven (Corvus corax; raven) abundance and distribution have increased in western North America in recent decades, facilitated by anthropogenic subsidies and other environmental changes.