Allen's Hummingbird  Selasphorus sasin (Lesson)

Adult male Allen's Hummingbird, San Francisco County CA - March 1990.
© Mike Danzenbaker http://www.avesphoto.com

• Hummingbird Id Site:  http://home.earthlink.net/~zoiseaux/alhu.html
• BioDiversity Institute:  www.bdi.org
• Hummingbirds.net:  www.hummingbirds.net/allens.html
• Patuxent Wildlife Research Center:
  www.mbr-pwrc.usgs.gov/id/framlst/Idtips/h4340id.html
• Hummer/Bird Study Group, Inc.:
  http://www.hummingbirdsplus.org/allens.html
• eNature.com  http://www.enature.com/html/guides/Allens_Hummingbird.html

Allen's Hummingbird Life History:
The following is a useful source for life history information:

• eNature.com:
  http://www.enature.com/html/guides/Allens_Hummingbird.html

Allen's Hummingbird Distribution:
The Allen's Hummingbird is primarily a coastal and near-coastal species with a narrow breeding range from southern Oregon to southern California.  Some individuals are resident, but many winter in Mexico.  Vagrants wander widely, as far east as the Atlantic coast.  Sources for more distributional information include:

• Breeding Bird Survey Map from the Patuxent Wildlife Research Center:
  http://www.mbr-pwrc.usgs.gov/bbs/htm03/ra2003_red/ra04340.htm
• National Audubon Christmas Bird Count Database:
  http://www.audubon.org/bird/cbc/
• Stacy Peterson's winter 2004-2005 map and database of vagrant occurrences:  http://www.trochilids.com/USA/2004allens.html

Allen's Hummingbird Images:
Image sources to check include:

• Hummingbirds.net:  www.hummingbirds.net/allens.html
• eNature.com:  http://www.enature.com/html/guides/Allens_Hummingbird.html
• Mike Danzenbaker's Bird Photography
  http://www.avesphoto.com/website/NA/species/HUMALL-1.htm
• Digibird Gallery:  www.digibird.com/allendir/allen.htm
• BioDiversity Institute:  www.bdi.org

Allen's Hummingbird Data:

• Breeding Bird Surveys: http://www.pwrc.usgs.gov/bbs/
• National Audubon Christmas Bird Count Database:
  http://www.audubon.org/bird/cbc/
• Stacy Peterson's winter 2004-2005 map and database of vagrant occurrences:
  http://www.trochilids.com/USA/2004allens.html
• Louisiana Ornithological Society - many years of observations:  http://losbird.org/

Allen's Hummingbird Additional References:
Click HERE to view a few more references.