Marbled Godwit (Limosa fedoa) - Features a photo plus information on habitat, diet, nesting, and migration. - http://www.sdakotabirds.com/species/marbled_godwit_info.htm
Kuaka, The Godwit (Limosa lapponica) - Discusses the two subspecies and describes the migration routes of this bird. Includes an illustration. - http://www.nzbirds.com/birds/kuaka.html
Bar-tailed Godwit (Limosa lapponica) - Physical description, diet, and vital statistics. Describes where found in UK best months for viewing. - http://www.rspb.org.uk/birds/guide/b/bartailedgodwit/
Black-tailed Godwit (Limosa limosa) - Provides an illustration and describes the preferred habitat, nesting, and range of this species. - http://www.birdsofbritain.co.uk/bird-guide/black-tailed-godwit.htm