Met stift op blik geschreven: Reproductive Behaviour of Sticklebacks, colour, b/w, Silent/ Titles Print, Tinbergen.
Op filmrolhouder: Johnsons of Hendon, Made in England
Titels in film:
The British film institute presents
The reproductive behaviour of sticklebacks. (gasterosteus aculeatus and pygosteus pungitius) a film on animal behaviour of the zoological laboratory, university of Leiden. Made by B. van Noordwijk and N. Tinbergen. (start)
Three-spined sticklebacks do well in aquaria, and breed readily (0:41) Males establish territories. A border clash between two neighbours, showing quick alternation between attack and escape (0:55) The Head-down threat posture, caused by a conflict between attack and escape (6:43) A territory-owner attacks its mirror image (7:06) dummy males are attacked, particularly when they are red underneath (8:23) Males of the ten-spined stickleback, which turn black in spring, attack black models, but practically ignore lightcoloured models (8:52) Nest building of gasterosteus starts with sand-digging (9:31) Green algae are deposited in the nest pit, and are glued together with a secretion of the kidneys (10:23) Loosening of the nest causes the male to push it down again (11:23) By wriggling through the tangle of algae, the male bores a tunnel (11:39) This done, the male guides a female to the nest (12:03) Courtship of the ten-spined stickleback (13:19) Courting a female model (14:39) "Fanning", or ventilating the nest (15:31) Predators are attacked (15:56)
Beschrijving
Film van Niko Tinbergen over stekelbaars. Film begint met beelden van een weiland en kinderen die met een schepnet vissen in een sloot. Daarna beelden van de stekelbaarsjes in een aquarium. Ongeveer zelfde film als V34559. Tussen 1 en 6 minuten bevat deze film extra beelden, gezien de titels in de film.
Formaat
doos Hoogte: 3 cm doos Diameter: 25 cm film Filmformaat: 16 mm film Speelduur: 16.24 min