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Otis tarda (Otididae) - Schlüpfen
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Metadata
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 Großtrappe Otis tarda Schlüpfen / Aves hatching / Aves Otis tarda great bustard bustard |
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