The Evolution of Birds: "GISS" General Impression of Size & Shape

Watercolor 8 x 8 inches
A study of "GISS", an ornithological term for General Impression of Size and Shape. I iterated until I got all the way back to the reptilian forms. Depicted from left to right: killdeer, avocet, mourning dove, chicken, dinosaur, turkey vulture, quail, quetzal, snake, hawk, penguin, owl, and tetrapod. Fill in the blanks.

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