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These spiders change color by secreting a liquid yellow
Two red stripes on back and green pigmented ...
This female house finch's feathers are lacking
This grass is flourishing in the middle of summer. It has a rich green
black or grey depending on pigments
Some kind of aster/thistle with glossy leaves and red
The densely pigmented often yellowish third ...
A myrtle warbler with Leucism - partial loss of
seeing is a reflection produced by the feather structure. The turaco's red ...
The Mallard is such a common duck but this little lady seems to have lost her ...
asymmetrical longitudinal white pigment ...
This is an erythristic (a condition marked by exceptional prevalence of red ...
Hypomelanism: absence of the pigment ...
created by the selective absorption of light by
These spiders change color by secreting a liquid yellow
Moth with multicolor yellow, orange, and white
Slightly dark brown skin pigment with black ...
Pictured is a Green Frog lacking yellow