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 | | A few days before hatching the chicks give loud calls from the eggs, and when these are heard, or at the latest when the egg-shell is pipped, the eggs are changed back. |
 | | It should be noted that in some collections, in the early days especially, the information may have been embellished with `tall tales', as the keepers/handlers received tips for their service to the public. |
 | | On the first day they stuck to the jelly, but on day 2 they were dispersed and occupied about 70% of the water surface. |
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