Large black feather identification? : r/whatsthisbird

Kestrel or Merlin? Feather ID please. Illinois USA : r/whatsthisbird

Can anyone identify this feather? Found in Milwaukee WI. I think it might be either a turkey or hawk : r/whatsthisbird

Large black feather identification? : r/whatsthisbird

Help identifying hawk feathers. Southern California. : r/whatsthisbird

Feather identification? : r/whatsthisbird

Feather ID? : r/whatsthisbird

The Feather Atlas - Feather Identification and Scans - U.S. Fish and Wildlife Service Forensics Laboratory

Feather identification : r/birding

Feather identification? Found in Chicago Illinois, USA : r/whatsthisbird

Found these feathers today : r/whatsthisbird