Biology

Hirundo rustica (Barn Swallow) Hirundo rustica (Barn Swallow)- Species account describes this bird's range, habitat, nesting, and behavior. Includes photos and sound recordings. Living with Wildlife: Swallows Living with Wildlife: Swallows- The Washington Department of Fish and Wildlife provides a factsheet on these birds, their biology and their interactions with humans. Hirundo tahitica Hirundo tahitica- New Zealand native bird, the welcome swallow. Pyrrhula pyrrhula (Eurasian Bullfinch) Pyrrhula pyrrhula (Eurasian Bullfinch)- Species account describes the physical traits and natural history of this species. Red Crossbill (Loxia curvirostra) Red Crossbill (Loxia curvirostra)- Provides photographs of adult male and female, range map, description and sound files. White-winged Crossbill (Loxia leucoptera) White-winged Crossbill (Loxia leucoptera)- Offers photos, range maps, and facts about this songbird's breeding and diet. Crossbills Audiovisual Guide Crossbills Audiovisual Guide- Lists the different types of North American crossbills and provides sound files and facts for each type. Brown-capped Rosy-Finch (Leucosticte australis) Brown-capped Rosy-Finch (Leucosticte australis)- Provides photographs of adult male and female, range map, description and sound files. Gray-crowned Rosy-Finch (Leucosticte tephrocotis) Gray-crowned Rosy-Finch (Leucosticte tephrocotis)- Photo, identification tips, migration status, and range map for this species. Black Rosy-Finch (Leucosticte atrata) Black Rosy-Finch (Leucosticte atrata)- Identification tips, a taxonomy chart, and data on this songbird's habitat and nesting. Evening Grosbeak (Coccothraustes vespertinus) Evening Grosbeak (Coccothraustes vespertinus)- Provides a recording of this bird's song and tells how to distinguish the male from the female of this species. Purple Finch (Carpodacus purpureus) Purple Finch (Carpodacus purpureus)- Provides facts about this bird's physical traits and habits. Includes photographs, range map and sound file. House Finch (Carpodacus mexicanus) House Finch (Carpodacus mexicanus)- Learn to distinguish this bird from similar species. Includes a sound file and photographs of an adult male, female and eggs. Cassin's Finch (Carpodacus cassinii) Cassin's Finch (Carpodacus cassinii)- Photo, taxonomy chart, distribution maps, and life history of this species. House Finch (Carpodacus mexicanus) House Finch (Carpodacus mexicanus)- Detailed photos of this bird's plumage and facts on its nesting behavior and conservation status. Hoary Redpoll (Carduelis hornemanni) Hoary Redpoll (Carduelis hornemanni)- Provides photographs of adult male and female, range map, description and sound files. Pine Siskin (Carduelis pinus) Pine Siskin (Carduelis pinus)- Provides photographs of adult male and female, range map, description and sound files. Common Redpoll (Carduelis flammea) Common Redpoll (Carduelis flammea)- Provides photographs of adult male and female, range map, description and sound files. Lawrence's Goldfinch (Carduelis lawrencei) Lawrence's Goldfinch (Carduelis lawrencei)- Photo, identification tips, range maps, and a taxonomy chart for this songbird. Goldfinch (Carduelis carduelis) Goldfinch (Carduelis carduelis)- Describes this songbird's flocking behavior, its feeding habits, and its place in European folklore. Lesser Goldfinch (Carduelis psaltria) Lesser Goldfinch (Carduelis psaltria)- Fact sheet describes this finch's breeding habitat, courtship displays, nest, eggs, and diet. American Goldfinch (Carduelis tristis) American Goldfinch (Carduelis tristis)- Includes a photo, range maps, and facts about this bird's habitat and behavior. Lawrence's Goldfinch (Carduelis lawrencii) Lawrence's Goldfinch (Carduelis lawrencii)- Photos of the breeding male and breeding female of this species. International Carduelan Society International Carduelan Society- Organization to bring together individuals who share a common interest in breeding Carduelan species in captivity. Biology, Keeping, and Breeding of Carduelan Finches. Biology, Keeping, and Breeding of Carduelan Finches.- Articles, photos, and links for Carduelan finches. Golden-crowned Sparrow Golden-crowned Sparrow- Describes this bird's physical appearance, range, and migration. Includes photographs and a sound recording. White-Crowned Sparrow White-Crowned Sparrow- Description and photographs of this species with details of its distribution and conservation status. White-crowned sparrow (Zonotrichia leucophrys) White-crowned sparrow (Zonotrichia leucophrys)- Image of this species. Golden-crowned Sparrow (Zonotrichia atricapilla) Golden-crowned Sparrow (Zonotrichia atricapilla)- Images of the breeding adult and winter adult of this species. Harris's Sparrow (Zonotrichia querula) Harris's Sparrow (Zonotrichia querula)- Photo, range map, taxonomy chart, and identification tips. White-throated Sparrow (Zonotrichia albicollis) White-throated Sparrow (Zonotrichia albicollis)- Identification tips, sound recordings, range maps, facts, and photos of this species. Rufous-collared Sparrow (Zonotrichia capensis) Rufous-collared Sparrow (Zonotrichia capensis)- Details about this bird's habitat, range, and relationship with the House Sparrow. Includes a photo. Chipping Sparrow (Spizella passerina) Chipping Sparrow (Spizella passerina)- Photographs of this bird, its nest and eggs, with a description and information on range, habitat and diet. Includes sound files. American Tree Sparrow (Spizella arborea) American Tree Sparrow (Spizella arborea)- Photos, identification tips, Christmas Bird Count map, and taxonomy chart. Brewer's Sparrow (Spizella breweri) Brewer's Sparrow (Spizella breweri)- Identification tips, photos, range map, and taxonomy chart. Clay-colored Sparrow (Spizella pallida) Clay-colored Sparrow (Spizella pallida)- Close-ups photos of this species. California Towhee (Pipilo crissalis Vigors) California Towhee (Pipilo crissalis Vigors)- Fact sheets includes data on nest location, nest type, breeding, and diet. California Towhee (Pipilo crissalis) California Towhee (Pipilo crissalis)- Species account describes this bird's migration status, nesting, and diet. Includes range maps. Song Sparrow (Melospiza melodia) Song Sparrow (Melospiza melodia)- Photograph, sound files, and facts about the range and habitat of this species. Song Sparrow (Melospiza melodia) Song Sparrow (Melospiza melodia)- Detailed photos of this bird's plumage. Includes facts about this species' habitat and nesting. Dark-eyed Junco (Junco hyemalis) Dark-eyed Junco (Junco hyemalis)- Identification tips, sound files, photos, life history, taxonomy chart. Yellow-eyed Junco (Junco phaeonotus) Yellow-eyed Junco (Junco phaeonotus)- Photo of this bird taken in Arizona. Yellow-eyed Junco (Junco phaeonotus) Yellow-eyed Junco (Junco phaeonotus)- Migration status, breeding habitat, nesting, and identification tips for this species. Smith's Longspur: Calcarius pictus Smith's Longspur: Calcarius pictus- Introduction to this species, from Birds of North America Online, with a photograph and range map. McCown's Longspur: Calcarius mccownii McCown's Longspur: Calcarius mccownii- Introduction to this species, from Birds of North America Online, with a photograph and range map. Chestnut-collared Longspur: Calcarius ornatus Chestnut-collared Longspur: Calcarius ornatus- Introduction to this species, from Birds of North America Online, with a photograph and range map. Lapland Longspur: Calcarius lapponicus Lapland Longspur: Calcarius lapponicus- Introduction to this species, from Birds of North America Online, with a photograph and range map. Taiwan Blue Magpie (Urocissa caerulea) Taiwan Blue Magpie (Urocissa caerulea)- The Internet Bird Collection provides several short videos. Piopio, The New Zealand Thrush (Turnagra capensis) Piopio, The New Zealand Thrush (Turnagra capensis)- Illustration plus facts about the ecology of this endangered New Zealand bird. Piwakawaka, The Fantail (Rhipidura fulginosa) Piwakawaka, The Fantail (Rhipidura fulginosa)- Learn about the survival strategies of this species.