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The Flamingo (Phoenicopterus ruber)

The Flamingo (Phoenicopterus ruber) (1731-1743)

Mark Catesby (English, 1683 – 1749)
The fleecy charge

The fleecy charge

Thomas Sidney Cooper (English, 1803 - 1902)
The Floating Feather

The Floating Feather (c. 1680)

Melchior d'Hondecoeter (Dutch, 1636-1695)
The Flock

The Flock

Cornelius van Leemputten (Belgian, 1841–1902)
THE FLYING DRAGON

THE FLYING DRAGON (1789-1813)

George Shaw (English, 1751 – 1813)
The flying dragon

The flying dragon (1929-1932)

Robert Bruce Horsfall (American, 1869–1948)
The Forest, Adirondacks

The Forest, Adirondacks (1885)

Arthur Fitzwilliam Tait (American, 1819-1905)
The Formosan Deer

The Formosan Deer (1861-1867)

Joseph Wolf (German, 1820-1899)
The Formosan Deer

The Formosan Deer (1861-1867)

Joseph Wolf (German, 1820-1899)
The Four Doves

The Four Doves

Johann Wenzel Peter (Austrian, 1745–1829)
The four-eye’d Night Butterfly.

The four-eye’d Night Butterfly. (1754)

Mark Catesby (English, 1683 – 1749)
THE FOUR-TOED MANIS

THE FOUR-TOED MANIS (1789-1813)

George Shaw (English, 1751 – 1813)
The Fox

The Fox (1893)

Bruno Liljefors (Swedish, 1860–1939)
The Fox Hound

The Fox Hound (1812)

Samuel Howitt (English, 1756-1822)
The Fox Visiting the Heron

The Fox Visiting the Heron

Frans Snyders (Flemish, 1579 - 1657)
The free-living unarmored dinoflagellata pl 1

The free-living unarmored dinoflagellata pl 1 (1921)

Charles Atwood Kofoid (American, 1865-1947)
The free-living unarmored dinoflagellata pl 10

The free-living unarmored dinoflagellata pl 10 (1921)

Charles Atwood Kofoid (American, 1865-1947)
The free-living unarmored dinoflagellata pl 11

The free-living unarmored dinoflagellata pl 11 (1921)

Charles Atwood Kofoid (American, 1865-1947)
The free-living unarmored dinoflagellata pl 12

The free-living unarmored dinoflagellata pl 12 (1921)

Charles Atwood Kofoid (American, 1865-1947)
The free-living unarmored dinoflagellata pl 2

The free-living unarmored dinoflagellata pl 2 (1921)

Charles Atwood Kofoid (American, 1865-1947)
The free-living unarmored dinoflagellata pl 3

The free-living unarmored dinoflagellata pl 3 (1921)

Charles Atwood Kofoid (American, 1865-1947)
The free-living unarmored dinoflagellata pl 4

The free-living unarmored dinoflagellata pl 4 (1921)

Charles Atwood Kofoid (American, 1865-1947)
The free-living unarmored dinoflagellata pl 5

The free-living unarmored dinoflagellata pl 5 (1921)

Charles Atwood Kofoid (American, 1865-1947)
The free-living unarmored dinoflagellata pl 6

The free-living unarmored dinoflagellata pl 6 (1921)

Charles Atwood Kofoid (American, 1865-1947)
The free-living unarmored dinoflagellata pl 7

The free-living unarmored dinoflagellata pl 7 (1921)

Charles Atwood Kofoid (American, 1865-1947)
The free-living unarmored dinoflagellata pl 8

The free-living unarmored dinoflagellata pl 8 (1921)

Charles Atwood Kofoid (American, 1865-1947)
The free-living unarmored dinoflagellata pl 9

The free-living unarmored dinoflagellata pl 9 (1921)

Charles Atwood Kofoid (American, 1865-1947)
The Freeing of the Wolf and the Bear

The Freeing of the Wolf and the Bear (1650–1675)

Allaert van Everdingen (Dutch, 1621 - 1675)
The Fresk Water Drum, or Sheepshead, Aplodinotus grunniens.

The Fresk Water Drum, or Sheepshead, Aplodinotus grunniens. (1898)

John L. Petrie (American, 19th Century)
The gathering storm canterbury meadows

The gathering storm canterbury meadows (1874)

Thomas Sidney Cooper (English, 1803 - 1902)