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Tree of Life Media Contributed By Scott V. Edwards

ID Thumbnail Media Data
599
Scientific Name Carpodacus mexicanus
Comments A House Finch (Passerida, Fringillidae), a common North American songbird that was introduced to the Eastern U.S. in the mid-1940s.
Specimen Condition Live Specimen
Sex Male
Copyright © 1997 Geoff Hill
Image Use restricted
Attached to Group Carpodacus mexicanus ('Nine-primaried oscines'): view page image collection
Title finch.230.jpeg
Image Type Photograph
Image Content Specimen(s)
ID 599
2362 Red-winged Blackbirds, Agelaius phoeniceus
Scientific Name Agelaius phoeniceus
Comments Red-winged Blackbirds. Males of this polygynous species defend territories and are a classic example of resource-base polygyny in birds. In this mating system, females are predicted to achieve greater reproductive success with males with one or more females on high quality territories than with males with no females on poor territories.
Specimen Condition Live Specimen
Sex Male
Copyright © 1997 Gordon Orians
Image Use restricted
Attached to Group Agelaius phoeniceus: view page image collection
Title redwing.230.jpeg
Image Type Photograph
Image Content Specimen(s)
ALT Text Red-winged Blackbirds, Agelaius phoeniceus
ID 2362
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