Glossy Ibis. Adult Male. - Public domain zoological illustration
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Grüner Reiher. 1). Erwachsener Mann. 2). Young im September
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Schnatterente. 1). Männlich. 2). Weiblich.
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Black Vulture or Carrion Crow. - Drawing. Public domain image.
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Caracara Eagle. - Drawing. Public domain image.
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Barred Owl. - Public domain zoological illustration
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Bank Swallow. - Drawing. Public domain image.
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Townsend's Ptilogonys. Female. - Drawing. Public domain image.
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Schwarzkehlgrasmücke. Männer.
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Schwarz-gelber Waldsänger. 1). Männlich. 2). Weiblich. 3). Jung. (Blüh...
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Wurmfressende Sumpfrohrsänger. 1). Männlich. 2). Weiblich. (Amerikanis...
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Sumpfrohrsänger mit Kohlensäure. Männer. (Mai-Strauch oder Dienst. Pyr...
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Gelber Sumpfrohrsänger. 1). Männlich. 2). Weiblich. (Baumwollrose. Hib...
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Gewöhnlicher Spottvogel. 1, 2). Rüden, 3. Weiblich. (Florida Jessamine...
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Amerikanischer Rotkehlchen oder Wanderdrossel. 1). Männer. 2). Weiblic...
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Lappland-Lerchenammer. 1). Männchen, Federkleid. 2). D-o Winter. 3). W...
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Lark Bunting. Male. - Public domain zoological illustration
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Oregon Snow-Bird. 1). Männlich. 2). Weiblich. (Rosa Laevigata)
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Meerfink. 1). Männlich. 2). Weiblich. (Carolina Rose. Rosa Caroina.)
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Macgillivray's Shore-Finch. 1). Männlich. 2). Weiblich.
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Spitzschwanzfink. 1). Männlich. 2). Weiblich & Nest.
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Weißkehlfink. 1.Male. 2). Weiblich. (Hartriegel.)
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Wiesenstarr oder Wiesenlerche. 1). Männlich. 2). Weibchen und Nest. (G...
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Würger. 1). Männlich. 2). Weiblich. 3). Jung. (Kratagus. Apiifolia.)
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Rotäugiger Vireo oder Greenlet. Männlich. (Heuschrecke)
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Wild Turkey. Male. - Drawing. Public domain image.
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Am wenigsten Wasser-Schiene. 1). Erwachsener Mann. 2 Jung.
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Rohrregenpfeifer. 1). Männlich. 2). Weiblich.
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Hyperborea Phalarope. 1). Männlich. 2). Weiblich. 3). Jung im Herbst.
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American Avoset. Jung im ersten Wintergefieder. Erwachsene in der Fern...
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Am wenigsten Rohrdommel. 1). Männlich. 2). Weiblich. 3). Jung.
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American Swan. Male. - Public domain drawing
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Vollbusiger Merganter. - Gänsefuß. 1). Männlich. 2). Weiblich.
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Roseate Tern. Male. - Drawing. Public domain image.
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Black Tern. 1. Adult. 2. Young.
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Glaukusmöwe - Bürgermeister. 1). Erwachsene Männchen. 2). Young first ...
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Kapuzenschmied. 1). Männlich. 2). Weiblich.
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Holzente. Sommerente. 1). Männlich. 2). Weiblich.
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American White Pelican. Male. - Public domain zoological illustration
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Eiderenten. 1). Männlich. 2). Weiblich.
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Cayenne Tern. Male. - Public domain zoological illustration
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Great Blue Heron. Male. - Public domain zoological illustration
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Common Buzzard. - Drawing. Public domain image.
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Mississipi Kite. - Public domain zoological illustration
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Chuck-will-Witwe. (Harlekinschlange).
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Macgillivray's Erdgrasmücke. 1). Männlich. 2). Weiblich.
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Goldflügel-Sumpfrohrsänger. 1). Männlich. 2). Weiblich.
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Bachmans Sumpfrohrsänger. 1). Männlich. 2). Weiblich. (Gordonia pubesc...
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Orangekrönter Sumpfrohrsänger. 1). Männlich. 2). Weiblich. (Huckleberr...
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Sumpf-Zaunkönig. 1). Männlich. 2). Weibchen und Nest.
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Holzdrossel. 1). Männlich. 2). Weiblich. (Hartriegel.)
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Towhe Ground Finch. 1). Männlich. 2). Weiblich. (Gewöhnliche Blackberr...
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Abends Großschnabel. 1). Männlich. 2). Weiblich. 3). Junge Männer. (Gr...
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Ultramarine Jay. Adult Male. - Drawing. Public domain image.
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Gelbbrust-Chat. 1). 2). 3). Männlich. 4. Weiblich. (Süßes Distelkraut....
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Rotbrustspecht. 1). Männlich. 2). Weiblich.
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Gelbbauchspecht. 1). Männlich. 2). Weiblich. (Prunus caroliniana.)
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Kiebitzregenpfeifer. 1). Männlich. 2). Weiblich.
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Rocky Mountain Plover. Female. - Drawing. Public domain image.
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Rotrückenstrandläufer. 1). Sommergefieder. 2 Winter.
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Wilsons Phalarope. 1). Männlich. 2). Weiblich.
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Rotbrust-Merganser. 1). Männlich. 2). Weiblich.
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Brown Pelican. Adult Male. - Public domain zoological illustration
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Trudeas's Tern. Adult. - Drawing. Public domain image.
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Hering oder Silbermöwe. 1). Erwachsene im Frühling. 2). Jung im Herbst...
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Pomerine Jager. Adult female. - Public domain zoological illustration
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Large-billed Guillemot. Male. - Drawing. Public domain image.
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Canvass Back Duck. 1). Männlich. 2). Weiblich.
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Schaufelente vorhanden. 1). Männlich. 2). Weiblich.
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Louisiana Heron. Male Adult. - Public domain zoological illustration
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Iceland or Gyr Falcon. - Public domain zoological illustration
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Little Night-Owl. - Public domain zoological illustration
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Purple Martin. (Calabash). - Drawing. Public domain image.
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Kanada Flycatcher, 1. Männlich, 2. Weiblich. Großer Lorbeer. Rhododend...
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Präriewaldsänger. 1). Männlich. 2). Weiblich. (Büffelgras).
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Blue-Mountain Warbler. Male. - Public domain zoological illustration
Public domain scan - Bird, 19th-century zoological illustration print, free to use, no copyright restrictions image - Picryl description
Rock-Zaunkönig. Erwachsenes Weibchen. (Smilacina borealis.)
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Kastanienrückenmeise. 1). Männlich. 2). Weiblich.
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Vielfältige Drosselung. 1). Männlich. 2). Weiblich. (Amerikanische Mis...
Picryl description: Public domain image, drawing, American, 19th century, free to use, no copyright restrictions
Zwergdrossel. Männlich. (Pflanze: Porcelia Triloba)
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Rotflügelammer. Männlich. (Kaktusfeige. Kaktus Opuntia.)
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Kanadische Buntbarsche (Baumsperlinge). 1). Männlich. 2). Weiblich. (K...
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Bachman's Pinewood Finch. Männlich. (Pinckneya pubescens)
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Rotkehlchen-Linnet. 1). Männlich. 2). Weiblich.
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Blauer Song-Schnabel. 1). Männlich. 2). Weiblich. 3). Jung.
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Canada Jay. 1). Männlich. 2). Weiblich. 3). Jung. (Weiße Eiche. Quercu...
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Clarkes Nussknacker. 1). Männlich. 2). Weiblich.
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Weißbrust-Kleiber. 1). Männlich. 2). & 3. Weiblich.
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Rauhals-Kolibri. 1). 2). Männer. 3). Weiblich. (Cleome heptaphylla)
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Amerikanischer Flussregenpfeifer. 1). Erwachsener Mann. 2). Young im A...
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Sichelstrandläufer. 1). Erwachsener Mann. 2). Jung.
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Long-legged Sandpiper. - Engraving, Public domain image
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Black-Necked Stillt. Male. - Drawing. Public domain image.
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Rötlicher Seidenreiher. 1). Erwachsenes, volles Federkleid. 2). Junge ...
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Langschwanzente. 1). Männlich, Sommergefieder. 2). Männlich im Winter....
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Schwarzkopfmöwe. 1). Ausgewachsenes männliches Federkleid. 2). Young f...
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Der gewöhnliche Amerikanische Gull.-- Ringschnabelmöwe. 1). Erwachsene...
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Dusky Albatros. - Drawing. Public domain image.
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Braunkehl-Trottellumme. 1). Erwachsene. 2). Jung.
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