• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Philadelphia Vireo - BirdForum Opus

Vireo philadelphicus
Photo by kegressy
Photo taken: Guelph Lake, Ontario, Canada


4.75 inches

  • Grayish-green above
  • Yellow below (pale at throat, deeper yellow on breast)
  • Thick bill has a hook on the upper mandible
  • Dark eye
  • White supercilium
  • Black line through and in front of the eye
  • Dark lores
  • Blue-grey legs

Sexes are similar

Similar Species

Warbling Vireo and Tennessee Warbler


Canada and northernmost U.S. Winters in the tropics.


This is a monotypic species1.


Open deciduous woodlands, streamside willows and alders, and areas regenerating after fires.



An open-cup nest is built. Clutch Size:3-5 and incubation lasts 14 days. 12-14 days later the young fledge.


Diet: Primarily insects, some fruit.


Song a broken series of slurred notes. Each phrase usually ends in either a downslur or an upswing, as if the bird asks a question, then answers it, over and over. May repeat same phrase twice or more in a row.


  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2014. The eBird/Clements checklist of birds of the world: Version 6.9., with updates to August 2014. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Avianweb
  3. Cornell

External Links

Search the Gallery using the scientific name:

Search the Gallery using the common name:

GSearch checked for 2020 platform.