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Larger Spotted Beach Leaf Edge Caterpillar, study for book Concealing Coloration in the Animal Kingdom

Larger Spotted Beach Leaf Edge Caterpillar, study for book Concealing Coloration in the Animal Kingdom

Emma Beach Thayer (American, 1849-1924)
Larger Spotted Beach Leaf Edge Caterpillar, study for book Concealing Coloration in the Animal Kingdom

Larger Spotted Beach Leaf Edge Caterpillar, study for book Concealing Coloration in the Animal Kingdom

Emma Beach Thayer (American, 1849-1924)
Lark finch. Prairie finch. Brown song sparrow

Lark finch. Prairie finch. Brown song sparrow (1827–1838)

John James Audubon (American, 1785-1851)
Larus argentatus Brunn

Larus argentatus Brunn

Johann Friedrich Naumann (German, 1780 – 1857)
Larus argentatus. Herring-Gull.

Larus argentatus. Herring-Gull. (1862-1873)

John Gould (English, 1804-1881)
Larus bulleri and Larus dominicanus

Larus bulleri and Larus dominicanus (1873)

John Gerrard Keulemans (Dutch, 1842-1912)
Larus canus, Larus argentatus Brunn

Larus canus, Larus argentatus Brunn

Johann Friedrich Naumann (German, 1780 – 1857)
Larus canus, Larus argentatus Brunn.

Larus canus, Larus argentatus Brunn.

Johann Friedrich Naumann (German, 1780 – 1857)
Larus canus. Common Gull.

Larus canus. Common Gull. (1862-1873)

John Gould (English, 1804-1881)
Larus fuscus, Larus marinus, Larus glaucus Brunn

Larus fuscus, Larus marinus, Larus glaucus Brunn

Johann Friedrich Naumann (German, 1780 – 1857)
Larus fuscus, Larus marinus, Larus glaucus Brunn.

Larus fuscus, Larus marinus, Larus glaucus Brunn.

Johann Friedrich Naumann (German, 1780 – 1857)
Larus fuscus, Larus marinus, Larus glaucus Brùnn.

Larus fuscus, Larus marinus, Larus glaucus Brùnn.

Johann Friedrich Naumann (German, 1780 – 1857)
Larus fuscus. Lesser Black-backed Gull.

Larus fuscus. Lesser Black-backed Gull. (1862-1873)

John Gould (English, 1804-1881)
Larus glaucus. Glaucous Gull.

Larus glaucus. Glaucous Gull. (1862-1873)

John Gould (English, 1804-1881)
Larus islandicus. Iceland Gull.

Larus islandicus. Iceland Gull. (1862-1873)

John Gould (English, 1804-1881)
Larus Major, The Cut Water.

Larus Major, The Cut Water. (1754)

Mark Catesby (English, 1683 – 1749)
Larus major, The Laughing Gull.

Larus major, The Laughing Gull. (1754)

Mark Catesby (English, 1683 – 1749)
Larus marinus. Great Black-backed Gull.

Larus marinus. Great Black-backed Gull. (1862-1873)

John Gould (English, 1804-1881)
Larus minutus Pall, Larus ridibundus, Larus melanocephalus Natt, Larus minutus Pall

Larus minutus Pall, Larus ridibundus, Larus melanocephalus Natt, Larus minutus Pall

Johann Friedrich Naumann (German, 1780 – 1857)
Larus minutus Pall, Larus ridibundus, Larus melanocephalus Natt, Larus Philadelphia Ord

Larus minutus Pall, Larus ridibundus, Larus melanocephalus Natt, Larus Philadelphia Ord

Johann Friedrich Naumann (German, 1780 – 1857)
Larus minutus Pall, Larus ridibundus,Larus melanocephalus

Larus minutus Pall, Larus ridibundus,Larus melanocephalus

Johann Friedrich Naumann (German, 1780 – 1857)
Late homecoming

Late homecoming (1905)

Richard Eschke (German, 1859-1944)
Latridopsis forsteri (Tas) : Copper moki

Latridopsis forsteri (Tas) : Copper moki (1868)

Frank Edward Clarke (New Zealander, 1849 – 1899)
Latris lineata (NZ) : Common Trumpeter

Latris lineata (NZ) : Common Trumpeter (1867)

Frank Edward Clarke (New Zealander, 1849 – 1899)
Lavandiére Grise

Lavandiére Grise (1879)

Léo-Paul Robert (Swiss, 1851 - 1923)
Lavandiére Jaune

Lavandiére Jaune (1880)

Léo-Paul Robert (Swiss, 1851 - 1923)
Law of the Wild

Law of the Wild (1881)

Charles S. Raleigh (American, 1830-1925)
Lazuli Bunting

Lazuli Bunting (c. 1670 - c. 1719)

Jan Weenix (Dutch, 1641-1719)
Lazuli finch. Clay-coloured finch. Oregon snow finch

Lazuli finch. Clay-coloured finch. Oregon snow finch (1827–1838)

John James Audubon (American, 1785-1851)
Lazuli finch. Crimson-necked bull finch. Grey-crowned linnet. Cow-pen bird. Evening grosbeak. Brown longspur

Lazuli finch. Crimson-necked bull finch. Grey-crowned linnet. Cow-pen bird. Evening grosbeak. Brown longspur (1827–1838)

John James Audubon (American, 1785-1851)