Bird Sounds and Calls of the Northern Cardinal

Northern Cardinal Audubon Field Guide

Brookfield Zoo - Have you ever heard a bird call that sounds like birdie birdie? Odds are, you're hearing a cardinal! As an accredited arboretum and part of the Forest Preserves of

Tuning into the melodic mystery of bird song - The Globe and Mail

10 Crimson Facts About Cardinals

Call of the Wild - Saint Paul Audubon Society

Birding by Ear: Sounds of the Winter Woods — Madison Audubon

What Does a Cardinal Song Sound Like? - Birds and Blooms

Five Fun Facts About Northern Cardinals - Forest Preserves of Cook County

Northern Cardinal