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Otis tarda (Otididae) - Schlüpfen

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Formal Metadata

Title Otis tarda (Otididae) - Schlüpfen
Alternative Title Otis tarda (Otididae) - Hatching
Author Koenig, Otto
License No Open Access License:
German copyright law applies. This film may be used for your own use but it may not be distributed via the internet or passed on to external parties.
DOI 10.3203/IWF/E-313
IWF Signature E 313
Publisher IWF (Göttingen)
Release Date 1960
Language Silent film
Producer Otto Koenig
Production Year 1958

Technical Metadata

IWF Technical Data Film, 16 mm, 49 m ; SW, 4 1/2 min

Content Metadata

Subject Area Life Sciences
Abstract Großtrappe. Feilen einer Öffnung mit Hilfe des Eizahns, ruckartige Bewegungen des Kükens, Absprengen des stumpfen Pols, nach einer Ruhepause endgültiges Schlüpfen, Trocknen des Dunenkleides innerhalb von 30 bis 40 Minuten.
The film shows the hatching of two bustard chicks in the incubator. The hole in the shell made by the egg tooth is systematically enlarged. With jerkey movements, the chick undermines the shell layer until the flat pole of the egg is finally broken off. After a brief pause, during which the exhausted chick lies still, the chick finally slips from the shell. The down layer, which is wet at the beginning, drys within 30-40 minutes and the chick visibly rests and recuperates from the exertions of hatching.
Keywords Trappe / Großtrappe
Otis tarda
Schlüpfen / Aves
hatching / Aves
Otis tarda
great bustard


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