Illustration by Charley Harper, from The Giant Golden Book of Biology: An Introduction to the Science of Life, 1961. Via Inside My Hideaway
Three-legged frog, 2010, Nate Oberst
On my morning paddle, Bay of Frogs, early morning, before the frogs came out to play, Katy McDevitt
Sunderland frog mug, inscribed ''A West View of the Iron Bridge over the Wear under the Patronage of R. Burdon Esq., Dixon & Co. Sunderland 1813". Via A Polar Bear's Tale
Frogs on my mantel, 2010, Katy McDevitt.
Illustration by Lorenzo Mattotti, from The Raven by Mattotti (illus.) and Lou Reed (text), 2009, inspired by Edgar Allan Poe. Via The 50 Watts tumblr
Flying frog (Rhacophorus nigropalmatus) from Sarawak, 1855, A. R. Wallace. Via the The Alfred Russel Wallace Website
Hyla maxima. Tree frog specimen from the Hunterian Museum of the Royal College of Surgeons of England. Photo by Elaine Duigenan
Illustrations by an unknown artist, from The Frog Who Would A Wooing Go, (Boston, circa 1858). Via 50 Watts
Michigan Frog, animation cel, Warner Bros. Provenance unknown.