Audubon's - Warbler

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

For over a century, the Audubon's Warbler (of the West) and the (of the East) were thought to be two completely different species. audubon's warbler

Recent genetic studies have revealed that the Audubon’s Warbler is actually a itself. It likely originated long ago from the mixing of the Myrtle Warbler and the Black-fronted Warbler. Because of this complex history, some scientists are now pushing to split them back into separate species again. The Audubon’s warbler carries a secret in its DNA

Audubon's had a bright yellow throat, while the Myrtle sported a white one. The "Family Tree" Twist For over a century,