Look for a yellow throat, yellow crown, and yellow side patches.
The Audubon’s warbler carries a secret in its DNA. While most warblers must fly to the tropics to find insects in winter, the Yellow-rumped warbler has evolved to digest (like bayberry and juniper). This allows it to stay much further north than its cousins, making it one of the first signs of spring for many birders. The "Family Tree" Twist audubon's warbler
Audubon's lived in the western mountains, while Myrtles dominated the eastern forests. 🤝 The Great Merge of 1973 Look for a yellow throat, yellow crown, and