Note: The footage in this item has been deliberately speeded up.
Dublin Zoo, Dublin, Ireland (Eire).
Full titles read: "IF - we venture to predict the effect of the thyroid gland treatment on the inmates of the Dublin Zoo."
L/S's of people looking at bear in cage, they and...
Brown bears seen in a zoo enclosure.
A sad day as Barbara the polar bear dies at London Zoo.
A look at the animals and people performing in a pre-war circus.
Rhinos, brown bears and polar bears seen at Whipsnade Zoo.
A baby polar bear is weighed and cleaned while its mother watches from her cage.
Four bear cubs make their first appearance at Berlin Zoo.
A cute baby bear cub makes her first appearance at London Zoo.
Stage act with group of bears doing various tricks at the command of their trainer.