White-Crowned Sparrow
- Description and photographs of this species with details of its distribution and conservation status.
- http://www.birds.cornell.edu/AllAboutBirds/BirdGuide/White-crowned_Sparrow.html

Displaced Songbirds Navigate in the High Arctic
- Article by Mike McDowell describing research into how white-crowned sparrows (Zonotrichia leucophrys gambelii) use geo-magnetic clues during their migration.
- http://www.birddigiscoping.com/2005/09/displaced-songbirds-navigate-in-high.html

White-crowned sparrow (Zonotrichia leucophrys)
- Image of this species.
- http://www.slivoski.com/birding/birds/whitecrownedsparrow.htm

Golden-crowned Sparrow (Zonotrichia atricapilla)
- Images of the breeding adult and winter adult of this species.
- http://www.birdphotography.com/species/gcsp.html

Golden-crowned Sparrow
- Describes this bird's physical appearance, range, and migration. Includes an illustration and a sound recording.
- http://birds.cornell.edu/BOW/GOCSPA/

Harris's Sparrow (Zonotrichia querula)
- Photo, range map, taxonomy chart, and identification tips.
- http://www.mbr-pwrc.usgs.gov/id/framlst/i5530id.html

White-throated Sparrow (Zonotrichia albicollis)
- Identification tips, sound recordings, range maps, facts, and photos of this species.
- http://www.mbr-pwrc.usgs.gov/id/framlst/i5580id.html

Rufous-collared Sparrow (Zonotrichia capensis)
- Details about this bird's habitat, range, and relationship with the House Sparrow. Includes a photo.
- http://www.arthurgrosset.com/sabirds/rufous-collaredsparrow.html

White-crowned Sparrow (Zonotrichia leucophrys)
- Photo plus data on this bird's range, voice, and diet.
- http://www.birdsofoklahoma.net/Whitecrownedsparrow.htm