Green and brown

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Note that the above-water portion of the frog appears to be a different color (green) from the below-water portion (brown). Does this stem from differential skin pigmentation or from different algae species living on its skin? Probably adaptive either way.

Tags

Content
brown
frog
green
* color
Location
Bellevue Pond
Middlesex Fells Reservation
* Boston metropolitan area
* lake
* Massachusetts
Meta
free-licensed
gallery
* licensing
* public