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Biblio |
Die Lebensweise der Vögel / |
Erich Willems |
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Seite |
Hinterfragungen |
Erich Willems |
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Biblio |
Pairing Behavior of the Monogamous King Quail, Coturnix chinensis |
Erich Willems |
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Biblio |
Rundschwanzmakropoden Macropodus ocellatus aus dem Reich der Mitte |
Erich Willems |
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Biblio |
Bulletin of the British Ornithologists' Club. |
Erich Willems |
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Buchseite |
MOc: 14.04.13 |
Erich Willems |
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Biblio |
Proc.Acad.Nat.Sci.Philadelphia: PSITTACULA LINEOLA, nobi |
Erich Willems |
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Blogeintrag |
Das Ährige Tausendblatt (Myriophyllum spicatum L.) |
Erich Willems |
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Mitteilung |
MOc: 22.09.11 |
Erich Willems |
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Blogeintrag |
Kurznotiz: Die ersten Silberreiher dieses Jahr zwischen Rottenburg und Tübingen (6.Feb.2018) |
Erich Willems |
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Mitteilung |
MOc: 04.09.10 |
Erich Willems |
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Mitteilung |
CGaa: 15.09.11 |
Erich Willems |
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Biblio |
Parrots in captivity |
Erich Willems |
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Seite |
MOc: 23.08.09 |
Erich Willems |
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Biblio |
Threatened fishes of the world : Tanichthys albonubes Lin 1932 |
Erich Willems |
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Tierbestand |
M. hongkongensis "Gu Tong"(id4013) |
Felix |
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Biblio |
Genetic Sex Differentiation in Fish |
Erich Willems |
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Tierbestand |
Population Macropodus ocellatus "Hangzhou" (id3325) |
FO_Hangzhou |
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Tierbestand |
Macropodus opercularis "Hainan" (id2420) |
carnivore |
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Biblio |
Object permanence in four species of psittacine birds: An African Grey parrot (Psittacus erithacus), an Illiger mini macaw (Ara maracana), a parakeet (Melopsittacus undulatus), and a cockatiel (Nymphicus hollandicus) |
Erich Willems |
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Biblio |
Fish Phyiology, Toxicology and Water Quality |
Erich Willems |
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Biblio |
Evidence for contagious behaviors in budgerigars (Melopsittacus undulatus): An observational study of yawning and stretching |
Erich Willems |
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Tierbestand |
macropodus erythropterus Dong Hoi (id2455) |
Lambojaeger |
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Biblio |
Induction of Metamorphosis in Axolotls (Ambystoma mexicanum) |
Erich Willems |
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Buchseite |
HF: Referenzen |
Erich Willems |
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