Identification - The Red-eyed Vireo is the size of a sparrow. It is a sleek, slim bird most often heard and seen in the forest's upper canopy. It is mostly olive-green above and white below. It is the only vireo with a distinct white stripe over the eye. Also look for a gray cap lined with black on its edge and a red eye which is difficult to see.
Morsels - When on its breeding grounds the Red-eyed Vireo is a tireless singer. In fact it has been nick-named "marathon singer." One male was recorded singing more than 22,000 individual songs in one day! That's more than 916 songs every hour. A vireo may sing as many as 40 phrases a minute.