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Bob Moul | profile | all galleries >> STRAYS, ABERRANTS AND ODDITIES >> ABERRANT HOUSE FINCH tree view | thumbnails | slideshow

ALLEN'S HUMMINGBIRD | OREGON JUNCO | WESTERN GREBE | WHITE-WINGED CROSSBILLS | RUFOUS HUMMINGBIRD | WHITE IBIS-IMMATURE | SANDHILL CRANE | COMMON REDPOLLS | BULLOCK'S ORIOLE | LOGGERHEAD SHRIKE | SCOTT'S ORIOLE | HUDSONIAN GODWIT | PURPLE GALLINULE | BLACK-BELLIED WHISTLING DUCK | LARK SPARROW | NORTHERN LAPWING | VARIED THRUSH | SNOWY OWL | ABERRANT HOUSE FINCH | LEUCISTIC RUBY-THROATED HUMMINGBIRD | LEUCISTIC RED-TAILED HAWK | LEUCISTIC KILLDEER | LEUCISTIC WHITE-TAILED DEER

ABERRANT HOUSE FINCH

Carpodacus mexicanus

POSSIBLY HAVING GENETIC ABNORMALITY ALSO

I noticed this bird at my feeders several weeks before I took these photos on January 12, 2008.
At the time I assumed it was a Purple Finch but the longer it stayed around,
the more suspicious I got and began to take better looks at it.

After much discussion on several birding lists and comments from many very knowledgeable birders,
almost all agree that this is a Male House Finch albeit an erythristic aberrant and possibly having a genetic abnormality also.
This conclusion can not be construed as 100% positive without genetic testing.
The condition, also known as carotenistic, is derived from an extraordinary access to carotenoids in the diet during molt.

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Aberrant House Finch
Aberrant House Finch
Aberrant House Finch
Aberrant House Finch
Aberrant House Finch
Aberrant House Finch
House Finch-Male Aberrant
House Finch-Male Aberrant
Aberrant House Finch
Aberrant House Finch
Aberrant House Finch
Aberrant House Finch
House Finch-Male
House Finch-Male
House Finch-Male
House Finch-Male
House Finch-Male Aberrant
House Finch-Male Aberrant
House Finch-Male
House Finch-Male
House Finch-Male
House Finch-Male
House Finch-Male
House Finch-Male
t4%2f48%2f95248%2f4%2f91610471.Fc3qBs6k.jpg Normal Male House Finch
Normal Male House Finch
t4%2f48%2f95248%2f4%2f91759690.PulJw1if.jpg