Printed on the plate
“Rock Grous”
Male in Winter, 1. Female Summer Plumage, 2. Young in August, 3.
Modern identification
Lagopus muta
- Certain
- Shown as a subspecies
- Pheasants, Grouse, and Allies · Phasianidae
Why
Audubon's “Rock Grous” is today's Rock Ptarmigan
Sources
Featherframe havell.yaml; plate title from audubon.org
Who made the plate
Drawn from Nature by J. J. Audubon. F. R. S. F. L. S.Engraved, Printed and Coloured, by R. Havell. 1837.
- John James Audubon drew
- Robert Havell Jr. engraved, printed and coloured
As the credit line gives it. More on who made these plates.
