Hear How a Crow Softly Woos Its Mate | Audubon
Crow Conversations | The Urban Nature Enthusiast
Curious about this call and behavior.
Similar Species: Crows and Ravens | All About Birds All About Birds
Tlingit or Haida Peoples, fine raven rattle
Our Backyard Discovery Diary: Mockers, Crow Rattles, and Woodcock Twitters | Wiscasset Newspaper
What does it mean when a crow makes a rattle or knocking sound? - Quora
Northwest Coast Indians Musical Instruments | Essay | The Metropolitan Museum of Art | Heilbrunn Timeline of Art History
Common raven - Wikipedia
Chief Raven Rattle by Kwakwaka'wakw artist Greg Henderson – Spirits of the West Coast Art Gallery Inc
Caw vs. Kraa: meaning in the calls of crows and ravens | Science | The Guardian
How Do You Tell a Raven From a Crow
Zebregs&Röell Fine Art and Antiques - This is our superb Tsimshian Chief's ' Raven' Rattle, which is published in our latest “Uit Verre Streken”. This rattle originates from what Europeans call British Columbia,
raven calls
Caw vs. Croak: Inside the Calls of Crows and Ravens
Common Raven (U.S. National Park Service)
Raven sounds - The calls of Corvus corax
raven calls
Bird Video: The "Caw" of a Crow and the "Kraa" of a Raven
